diff --git a/.gitignore b/.gitignore
index 5942b03..9d5d62a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,15 @@ build/
 
 ### ENVIRONMENT ###
 .env
+secret.json
+.jdk
+
+### Build ###
+target/
+
+### Demo ###
+certificate.db
+*.pdf
+uploads/
+*.py
+*.csv
diff --git a/pom.xml b/pom.xml
index e5e78c9..2784524 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,6 +42,16 @@
             <artifactId>postgresql</artifactId>
             <scope>runtime</scope>
         </dependency>
+        <dependency>
+            <groupId>org.xerial</groupId>
+            <artifactId>sqlite-jdbc</artifactId>
+            <version>3.42.0.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.hibernate.orm</groupId>
+            <artifactId>hibernate-community-dialects</artifactId>
+            <version>6.2.2.Final</version>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-configuration-processor</artifactId>
@@ -81,10 +91,6 @@
             <artifactId>jaxb-api</artifactId>
             <version>2.4.0-b180830.0359</version>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-security</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.springdoc</groupId>
             <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
@@ -99,6 +105,63 @@
             <artifactId>commonmark</artifactId>
             <version>0.21.0</version>
         </dependency>
+
+        <!-- PDF Generation (iText) -->
+        <dependency>
+            <groupId>com.itextpdf</groupId>
+            <artifactId>kernel</artifactId>
+            <version>8.0.5</version>
+        </dependency>
+        <dependency>
+            <groupId>com.itextpdf</groupId>
+            <artifactId>layout</artifactId>
+            <version>8.0.5</version>
+        </dependency>
+        <dependency>
+            <groupId>com.itextpdf</groupId>
+            <artifactId>forms</artifactId>
+            <version>8.0.5</version>
+        </dependency>
+
+        <!-- Google API client libraries for Gmail API -->
+        <dependency>
+            <groupId>com.google.api-client</groupId>
+            <artifactId>google-api-client</artifactId>
+            <version>2.2.0</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.oauth-client</groupId>
+            <artifactId>google-oauth-client-jetty</artifactId>
+            <version>1.34.1</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.apis</groupId>
+            <artifactId>google-api-services-gmail</artifactId>
+            <version>v1-rev20220404-2.0.0</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.http-client</groupId>
+            <artifactId>google-http-client-gson</artifactId>
+            <version>1.43.3</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.auth</groupId>
+            <artifactId>google-auth-library-oauth2-http</artifactId>
+            <version>1.16.0</version>
+        </dependency>
+
+        <!-- CSV Parsing -->
+        <dependency>
+            <groupId>com.opencsv</groupId>
+            <artifactId>opencsv</artifactId>
+            <version>5.9</version>
+        </dependency>
+
+        <!-- Thymeleaf for templates -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
     </dependencies>
 
     <build>
@@ -115,6 +178,21 @@
                     </excludes>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                            <version>1.18.32</version>
+                        </path>
+                    </annotationProcessorPaths>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
diff --git a/src/main/java/com/pecacm/backend/configuration/SecurityConfiguration.java b/src/main/java/com/pecacm/backend/configuration/SecurityConfiguration.java
index b8e6ca4..8a24c67 100644
--- a/src/main/java/com/pecacm/backend/configuration/SecurityConfiguration.java
+++ b/src/main/java/com/pecacm/backend/configuration/SecurityConfiguration.java
@@ -38,11 +38,10 @@ public SecurityConfiguration(UserService userService, JwtFilter jwtFilter, Simpl
     @Bean
     public AuthenticationManager authenticationManager(HttpSecurity http, PasswordEncoder passwordEncoder, UserService userService)
             throws Exception {
-        // TODO: and() is deprecated, replace in future
-        return http.getSharedObject(AuthenticationManagerBuilder.class)
-                .userDetailsService(userService)
-                .passwordEncoder(passwordEncoder)
-                .and().build();
+        AuthenticationManagerBuilder builder = http.getSharedObject(AuthenticationManagerBuilder.class);
+        builder.userDetailsService(userService)
+                .passwordEncoder(passwordEncoder);
+        return builder.build();
     }
 
     @Bean
@@ -52,6 +51,7 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
                 .csrf(AbstractHttpConfigurer::disable)
                 .authorizeHttpRequests(
                         a -> a.requestMatchers("/error").anonymous()
+                                .requestMatchers("/api/certificates/**", "/api/templates/**").permitAll() // Adjust security as needed
                                 .anyRequest().permitAll()
                 )
                 .sessionManagement(
diff --git a/src/main/java/com/pecacm/backend/controllers/CertificateController.java b/src/main/java/com/pecacm/backend/controllers/CertificateController.java
new file mode 100644
index 0000000..18c2d1b
--- /dev/null
+++ b/src/main/java/com/pecacm/backend/controllers/CertificateController.java
@@ -0,0 +1,124 @@
+package com.pecacm.backend.controllers;
+
+import com.pecacm.backend.entities.Certificate;
+import com.pecacm.backend.entities.Event;
+import com.pecacm.backend.repository.EventRepository;
+import com.pecacm.backend.services.CertificateService;
+import com.pecacm.backend.services.MassMailService;
+import com.pecacm.backend.services.TemplateGeneratorService;
+import com.opencsv.CSVReader;
+import com.opencsv.exceptions.CsvValidationException;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/certificates")
+@RequiredArgsConstructor
+@Slf4j
+public class CertificateController {
+
+    private final CertificateService certificateService;
+    private final MassMailService massMailService;
+    private final TemplateGeneratorService generatorService;
+    private final EventRepository eventRepository;
+
+    @GetMapping
+    public List<Certificate> getAllCertificates(@RequestParam(required = false) Integer eventId) {
+        if (eventId != null) {
+            return certificateService.getCertificatesByEventId(eventId);
+        }
+        return certificateService.getAllCertificates();
+    }
+
+    @GetMapping("/{id}")
+    public Certificate getCertificate(@PathVariable Long id) {
+        return certificateService.getCertificateById(id);
+    }
+
+    @PostMapping
+    public Certificate createCertificate(@RequestBody Certificate certificate) {
+        return certificateService.createCertificate(certificate);
+    }
+
+    @PutMapping("/{id}")
+    public Certificate updateCertificate(@PathVariable Long id, @RequestBody Certificate certificate) {
+        return certificateService.updateCertificate(id, certificate);
+    }
+
+    @DeleteMapping("/{id}")
+    public void deleteCertificate(@PathVariable Long id) {
+        certificateService.deleteCertificate(id);
+    }
+
+    @GetMapping("/{id}/download")
+    public ResponseEntity<byte[]> downloadCertificate(@PathVariable Long id) {
+        Certificate certificate = certificateService.getCertificateById(id);
+        byte[] pdfBytes = generatorService.generateCertificatePdf(certificate);
+
+        return ResponseEntity.ok()
+                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"certificate.pdf\"")
+                .contentType(MediaType.APPLICATION_PDF)
+                .body(pdfBytes);
+    }
+
+    @PostMapping("/mass-mail/{eventId}")
+    public ResponseEntity<String> sendMassMail(@PathVariable Integer eventId) {
+        Event event = eventRepository.findById(eventId)
+                .orElseThrow(() -> new RuntimeException("Event not found with id: " + eventId));
+        
+        List<Certificate> certificates = certificateService.getCertificatesByEventId(eventId);
+
+        if (certificates.isEmpty()) {
+            return ResponseEntity.badRequest().body("No certificates found for this event.");
+        }
+
+        massMailService.sendCertificates(event, certificates);
+        return ResponseEntity.ok("Mass mail job started for " + certificates.size() + " recipients.");
+    }
+
+    @PostMapping("/upload-csv/{eventId}")
+    public ResponseEntity<String> uploadCsv(@PathVariable Integer eventId, @RequestParam("file") MultipartFile file) {
+        Event event = eventRepository.findById(eventId)
+                .orElseThrow(() -> new RuntimeException("Event not found with id: " + eventId));
+
+        List<Certificate> certificates = new ArrayList<>();
+        try (CSVReader reader = new CSVReader(new InputStreamReader(file.getInputStream(), StandardCharsets.UTF_8))) {
+            String[] nextLine;
+            // Skip header: Name, Email
+            reader.readNext(); 
+            
+            while ((nextLine = reader.readNext()) != null) {
+                if (nextLine.length >= 2) {
+                    String name = nextLine[0].trim();
+                    String email = nextLine[1].trim();
+                    if (!certificateService.existsByEmailAndEvent(email, eventId)) {
+                        Certificate cert = Certificate.builder()
+                                .recipientName(name)
+                                .recipientEmail(email)
+                                .event(event)
+                                .issueDate(LocalDate.now().toString())
+                                .build();
+                        certificates.add(certificateService.createCertificate(cert));
+                    }
+                }
+            }
+        } catch (IOException | CsvValidationException e) {
+            log.error("CSV processing error", e);
+            return ResponseEntity.internalServerError().body("Error processing CSV: " + e.getMessage());
+        }
+
+        return ResponseEntity.ok("Successfully imported " + certificates.size() + " participants.");
+    }
+}
diff --git a/src/main/java/com/pecacm/backend/controllers/CertificateUIController.java b/src/main/java/com/pecacm/backend/controllers/CertificateUIController.java
new file mode 100644
index 0000000..8a6c000
--- /dev/null
+++ b/src/main/java/com/pecacm/backend/controllers/CertificateUIController.java
@@ -0,0 +1,200 @@
+package com.pecacm.backend.controllers;
+
+import com.pecacm.backend.entities.Certificate;
+import com.pecacm.backend.entities.Event;
+import com.pecacm.backend.entities.Template;
+import com.pecacm.backend.entities.Transaction;
+import com.pecacm.backend.enums.EventRole;
+import com.pecacm.backend.repository.EventRepository;
+import com.pecacm.backend.repository.TransactionRepository;
+import com.pecacm.backend.services.CertificateService;
+import com.pecacm.backend.services.MassMailService;
+import com.pecacm.backend.services.TemplateGeneratorService;
+import com.opencsv.CSVReader;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.core.io.ByteArrayResource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+
+@Controller
+@RequestMapping("/ui")
+@RequiredArgsConstructor
+@Slf4j
+public class CertificateUIController {
+
+    private final EventRepository eventRepository;
+    private final TransactionRepository transactionRepository;
+    private final CertificateService certificateService;
+    private final TemplateGeneratorService generatorService;
+    private final MassMailService massMailService;
+
+    private static final String UPLOAD_DIR = "uploads/";
+
+    @GetMapping
+    public String showPortal(Model model) {
+        model.addAttribute("events", eventRepository.findAll());
+        return "index";
+    }
+
+    @PostMapping("/upload")
+    public String handleTemplateUpload(@RequestParam("eventId") Integer eventId, 
+                                     @RequestParam("file") MultipartFile file, 
+                                     Model model) {
+        try {
+            Event event = eventRepository.findById(eventId)
+                    .orElseThrow(() -> new RuntimeException("Event not found"));
+
+            Path uploadPath = Paths.get(UPLOAD_DIR);
+            if (!Files.exists(uploadPath)) {
+                Files.createDirectories(uploadPath);
+            }
+
+            String filename = "template_" + eventId + "_" + System.currentTimeMillis() + ".pdf";
+            Path filePath = uploadPath.resolve(filename);
+            Files.copy(file.getInputStream(), filePath);
+
+            Template template = event.getTemplate();
+            if (template == null) {
+                template = new Template();
+            }
+            template.setTemplateName("Template for " + event.getTitle());
+            template.setTemplatePdfPath(filePath.toString());
+            
+            event.setTemplate(template);
+            eventRepository.save(event);
+
+            return "redirect:/ui?success=true";
+        } catch (Exception e) {
+            log.error("Upload failed", e);
+            model.addAttribute("error", "Upload failed: " + e.getMessage());
+            return "index";
+        }
+    }
+
+    @PostMapping("/generate")
+    public ResponseEntity<ByteArrayResource> handleCertificateDownload(@RequestParam("eventId") Integer eventId,
+                                                                      @RequestParam("recipientName") String recipientName) {
+        try {
+            Event event = eventRepository.findById(eventId)
+                    .orElseThrow(() -> new RuntimeException("Event not found"));
+
+            Certificate certificate = Certificate.builder()
+                    .recipientName(recipientName)
+                    .recipientEmail("demo@example.com")
+                    .event(event)
+                    .issueDate(LocalDate.now().toString())
+                    .build();
+
+            byte[] pdfBytes = generatorService.generateCertificatePdf(certificate);
+            ByteArrayResource resource = new ByteArrayResource(pdfBytes);
+
+            return ResponseEntity.ok()
+                    .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"certificate.pdf\"")
+                    .contentType(MediaType.APPLICATION_PDF)
+                    .contentLength(pdfBytes.length)
+                    .body(resource);
+        } catch (Exception e) {
+            log.error("Generation failed", e);
+            return ResponseEntity.internalServerError().build();
+        }
+    }
+
+    @PostMapping("/mass-mail")
+    public String handleMassMail(@RequestParam("eventId") Integer eventId,
+                                @RequestParam("file") MultipartFile file,
+                                Model model) {
+        try {
+            Event event = eventRepository.findById(eventId)
+                    .orElseThrow(() -> new RuntimeException("Event not found"));
+
+            List<Certificate> certificates = new ArrayList<>();
+            try (CSVReader reader = new CSVReader(new InputStreamReader(file.getInputStream(), StandardCharsets.UTF_8))) {
+                reader.readNext(); // Skip header
+                String[] line;
+                while ((line = reader.readNext()) != null) {
+                    if (line.length >= 2) {
+                        String name = line[0].trim();
+                        String email = line[1].trim();
+                        if (!certificateService.existsByEmailAndEvent(email, eventId)) {
+                            Certificate cert = Certificate.builder()
+                                    .recipientName(name)
+                                    .recipientEmail(email)
+                                    .event(event)
+                                    .issueDate(LocalDate.now().toString())
+                                    .build();
+                            certificates.add(certificateService.createCertificate(cert));
+                        }
+                    }
+                }
+            }
+
+            massMailService.sendCertificates(event, certificates);
+            return "redirect:/ui?count=" + certificates.size();
+        } catch (Exception e) {
+            log.error("Mass mail failed", e);
+            model.addAttribute("error", "Mass mail failed: " + e.getMessage());
+            return "index";
+        }
+    }
+
+    @PostMapping("/send-to-registered")
+    public String handleSendToRegistered(@RequestParam("eventId") Integer eventId, 
+                                        Model model) {
+        try {
+            Event event = eventRepository.findById(eventId)
+                    .orElseThrow(() -> new RuntimeException("Event not found"));
+
+            // Fetch only PARTICIPANTS
+            List<Transaction> transactions = transactionRepository.findListByEventIdAndRoles(
+                    eventId, List.of(EventRole.PARTICIPANT)
+            );
+
+            if (transactions.isEmpty()) {
+                model.addAttribute("error", "No participants found for this event in the database.");
+                model.addAttribute("events", eventRepository.findAll());
+                return "index";
+            }
+
+            List<Certificate> certificates = new ArrayList<>();
+            for (Transaction tx : transactions) {
+                String email = tx.getUser().getEmail();
+                String name = tx.getUser().getName();
+                
+                if (!certificateService.existsByEmailAndEvent(email, eventId)) {
+                    Certificate cert = Certificate.builder()
+                            .recipientName(name)
+                            .recipientEmail(email)
+                            .event(event)
+                            .issueDate(LocalDate.now().toString())
+                            .build();
+                    
+                    certificates.add(certificateService.createCertificate(cert));
+                }
+            }
+
+            massMailService.sendCertificates(event, certificates);
+            return "redirect:/ui?count=" + certificates.size();
+
+        } catch (Exception e) {
+            log.error("Auto-sync failed", e);
+            model.addAttribute("error", "Auto-sync failed: " + e.getMessage());
+            model.addAttribute("events", eventRepository.findAll());
+            return "index";
+        }
+    }
+}
diff --git a/src/main/java/com/pecacm/backend/controllers/TemplateController.java b/src/main/java/com/pecacm/backend/controllers/TemplateController.java
new file mode 100644
index 0000000..7e3209f
--- /dev/null
+++ b/src/main/java/com/pecacm/backend/controllers/TemplateController.java
@@ -0,0 +1,73 @@
+package com.pecacm.backend.controllers;
+
+import com.pecacm.backend.entities.Event;
+import com.pecacm.backend.entities.Template;
+import com.pecacm.backend.repository.EventRepository;
+import com.pecacm.backend.repository.TemplateRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/templates")
+@RequiredArgsConstructor
+@Slf4j
+public class TemplateController {
+
+    private final TemplateRepository templateRepository;
+    private final EventRepository eventRepository;
+
+    @Value("${app.upload.dir:${user.home}/acm-uploads}")
+    private String uploadDir;
+
+    @GetMapping
+    public List<Template> getAllTemplates() {
+        return templateRepository.findAll();
+    }
+
+    @PostMapping("/upload/{eventId}")
+    public ResponseEntity<Template> uploadTemplate(@PathVariable Integer eventId, @RequestParam("file") MultipartFile file) {
+        Event event = eventRepository.findById(eventId)
+                .orElseThrow(() -> new RuntimeException("Event not found with id: " + eventId));
+
+        try {
+            File dir = new File(uploadDir);
+            if (!dir.exists()) dir.mkdirs();
+
+            String fileName = "template_" + eventId + "_" + System.currentTimeMillis() + ".pdf";
+            Path filePath = Paths.get(uploadDir, fileName);
+            Files.write(filePath, file.getBytes());
+
+            Template template = Template.builder()
+                    .templateName(file.getOriginalFilename())
+                    .templatePdfPath(filePath.toString())
+                    .build();
+
+            Template savedTemplate = templateRepository.save(template);
+            
+            event.setTemplate(savedTemplate);
+            eventRepository.save(event);
+
+            return ResponseEntity.ok(savedTemplate);
+        } catch (IOException e) {
+            log.error("Failed to upload template", e);
+            return ResponseEntity.internalServerError().build();
+        }
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> deleteTemplate(@PathVariable Long id) {
+        templateRepository.deleteById(id);
+        return ResponseEntity.noContent().build();
+    }
+}
diff --git a/src/main/java/com/pecacm/backend/entities/Certificate.java b/src/main/java/com/pecacm/backend/entities/Certificate.java
new file mode 100644
index 0000000..79b76f3
--- /dev/null
+++ b/src/main/java/com/pecacm/backend/entities/Certificate.java
@@ -0,0 +1,33 @@
+package com.pecacm.backend.entities;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+@Table(name = "certificates")
+public class Certificate {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(name = "recipient_name")
+    private String recipientName;
+
+    @Column(name = "recipient_email")
+    private String recipientEmail;
+
+    @Column(name = "certificate_url")
+    private String certificateUrl;
+    
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumn(name = "event_id")
+    private Event event;
+
+    @Column(name = "issue_date")
+    private String issueDate;
+}
diff --git a/src/main/java/com/pecacm/backend/entities/Event.java b/src/main/java/com/pecacm/backend/entities/Event.java
index aa0511a..c14a12d 100644
--- a/src/main/java/com/pecacm/backend/entities/Event.java
+++ b/src/main/java/com/pecacm/backend/entities/Event.java
@@ -1,11 +1,12 @@
 package com.pecacm.backend.entities;
 
-import com.pecacm.backend.enums.Branch;
 import jakarta.persistence.*;
 import lombok.*;
 
 import java.time.LocalDateTime;
 
+import com.pecacm.backend.enums.Branch;
+
 @Entity
 @Getter
 @Setter
@@ -36,11 +37,17 @@ public class Event {
     private String description;
 
     @Column(name = "related_link")
+    @Builder.Default
     private String relatedLink = "";
 
     @Column(name = "venue")
     private String venue;
 
     @Column(name = "ended")
+    @Builder.Default
     private boolean ended = false;
+
+    @OneToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinColumn(name = "template_id")
+    private Template template;
 }
diff --git a/src/main/java/com/pecacm/backend/entities/Template.java b/src/main/java/com/pecacm/backend/entities/Template.java
new file mode 100644
index 0000000..dc7fa20
--- /dev/null
+++ b/src/main/java/com/pecacm/backend/entities/Template.java
@@ -0,0 +1,23 @@
+package com.pecacm.backend.entities;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+@Table(name = "templates")
+public class Template {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(name = "template_name")
+    private String templateName;
+
+    @Column(name = "template_pdf_path")
+    private String templatePdfPath;
+}
diff --git a/src/main/java/com/pecacm/backend/entities/Transaction.java b/src/main/java/com/pecacm/backend/entities/Transaction.java
index 316e4dc..b1ed8d9 100644
--- a/src/main/java/com/pecacm/backend/entities/Transaction.java
+++ b/src/main/java/com/pecacm/backend/entities/Transaction.java
@@ -30,6 +30,7 @@ public class Transaction {
     private Event event;
 
     @Enumerated(EnumType.STRING)
+    @Builder.Default
     private EventRole role = EventRole.PARTICIPANT;
 
     @Column(name = "date")
diff --git a/src/main/java/com/pecacm/backend/entities/User.java b/src/main/java/com/pecacm/backend/entities/User.java
index 2254c40..e726f4b 100644
--- a/src/main/java/com/pecacm/backend/entities/User.java
+++ b/src/main/java/com/pecacm/backend/entities/User.java
@@ -46,12 +46,15 @@ public class User implements UserDetails {
     private Integer sid;
 
     @Column(name = "verified")
+    @Builder.Default
     private Boolean verified = false;
 
     @Enumerated(EnumType.STRING)
+    @Builder.Default
     private Role designation = Role.Member;
 
     @Column(name="xp_total", nullable = false)
+    @Builder.Default
     private Integer xp = 0;
 
     @Override
diff --git a/src/main/java/com/pecacm/backend/model/EndEventDetails.java b/src/main/java/com/pecacm/backend/model/EndEventDetails.java
index ae3e553..07c4876 100644
--- a/src/main/java/com/pecacm/backend/model/EndEventDetails.java
+++ b/src/main/java/com/pecacm/backend/model/EndEventDetails.java
@@ -16,12 +16,18 @@
 @NoArgsConstructor
 @Builder
 public class EndEventDetails {
+    @Builder.Default
     private List<String> contributors = new ArrayList<>();
+    @Builder.Default
     private List<String> publicity = new ArrayList<>();
     // Can take gsheet link instead and call gsheet api
+    @Builder.Default
     private List<String> participants = new ArrayList<>();
+    @Builder.Default
     private Integer contributorXp = 5;
+    @Builder.Default
     private Integer publicityXp = 2;
+    @Builder.Default
     private Integer participantXp = 1;
 
     public Integer getXp(EventRole role) {
diff --git a/src/main/java/com/pecacm/backend/repository/CertificateRepository.java b/src/main/java/com/pecacm/backend/repository/CertificateRepository.java
new file mode 100644
index 0000000..eda6d37
--- /dev/null
+++ b/src/main/java/com/pecacm/backend/repository/CertificateRepository.java
@@ -0,0 +1,13 @@
+package com.pecacm.backend.repository;
+
+import com.pecacm.backend.entities.Certificate;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface CertificateRepository extends JpaRepository<Certificate, Long> {
+    List<Certificate> findByEventId(Integer eventId);
+    boolean existsByRecipientEmailAndEventId(String email, Integer eventId);
+}
diff --git a/src/main/java/com/pecacm/backend/repository/TemplateRepository.java b/src/main/java/com/pecacm/backend/repository/TemplateRepository.java
new file mode 100644
index 0000000..1617bb0
--- /dev/null
+++ b/src/main/java/com/pecacm/backend/repository/TemplateRepository.java
@@ -0,0 +1,9 @@
+package com.pecacm.backend.repository;
+
+import com.pecacm.backend.entities.Template;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface TemplateRepository extends JpaRepository<Template, Long> {
+}
diff --git a/src/main/java/com/pecacm/backend/repository/UserRepository.java b/src/main/java/com/pecacm/backend/repository/UserRepository.java
index 0a7d0f4..336720d 100644
--- a/src/main/java/com/pecacm/backend/repository/UserRepository.java
+++ b/src/main/java/com/pecacm/backend/repository/UserRepository.java
@@ -50,10 +50,10 @@ public interface UserRepository extends JpaRepository<User, Integer> {
     Long countByXpGreaterThan(Integer xp);
 
     Page<User> findAllByOrderByXpDesc(PageRequest pageRequest);
-    @Query("SELECT u FROM User u " +
-            "WHERE SPLIT_PART(u.email, '.', 1) ILIKE %:query% " +
-            "AND (:verifiedOnly = false OR u.verified = true) " +
-            "ORDER BY u.id LIMIT 10")
+    @Query(value = "SELECT * FROM users " +
+            "WHERE SPLIT_PART(email, '.', 1) ILIKE %:query% " +
+            "AND (:verifiedOnly = false OR verified = true) " +
+            "ORDER BY id LIMIT 10", nativeQuery = true)
     List<User> findAllBySearchQuery(@Param("query") String query, @Param("verifiedOnly") Boolean verifiedOnly);
 
     List<User> findAllByDesignation(Role role);
diff --git a/src/main/java/com/pecacm/backend/services/CertificateService.java b/src/main/java/com/pecacm/backend/services/CertificateService.java
new file mode 100644
index 0000000..d587c9d
--- /dev/null
+++ b/src/main/java/com/pecacm/backend/services/CertificateService.java
@@ -0,0 +1,57 @@
+package com.pecacm.backend.services;
+
+import com.pecacm.backend.entities.Certificate;
+import com.pecacm.backend.repository.CertificateRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class CertificateService {
+
+    private final CertificateRepository certificateRepository;
+
+    public List<Certificate> getAllCertificates() {
+        return certificateRepository.findAll();
+    }
+
+    public List<Certificate> getCertificatesByEventId(Integer eventId) {
+        return certificateRepository.findByEventId(eventId);
+    }
+
+    public boolean existsByEmailAndEvent(String email, Integer eventId) {
+        return certificateRepository.existsByRecipientEmailAndEventId(email, eventId);
+    }
+
+    public Certificate getCertificateById(Long id) {
+        return certificateRepository.findById(id)
+                .orElseThrow(() -> new RuntimeException("Certificate not found with id: " + id));
+    }
+
+    public Certificate createCertificate(Certificate certificate) {
+        log.info("Creating new certificate for {}", certificate.getRecipientName());
+        return certificateRepository.save(certificate);
+    }
+
+    public Certificate updateCertificate(Long id, Certificate certificateDetails) {
+        Certificate certificate = getCertificateById(id);
+        
+        certificate.setRecipientName(certificateDetails.getRecipientName());
+        certificate.setRecipientEmail(certificateDetails.getRecipientEmail());
+        certificate.setCertificateUrl(certificateDetails.getCertificateUrl());
+        certificate.setEvent(certificateDetails.getEvent());
+        certificate.setIssueDate(certificateDetails.getIssueDate());
+        
+        return certificateRepository.save(certificate);
+    }
+
+    public void deleteCertificate(Long id) {
+        Certificate certificate = getCertificateById(id);
+        certificateRepository.delete(certificate);
+        log.info("Deleted certificate with id: {}", id);
+    }
+}
diff --git a/src/main/java/com/pecacm/backend/services/MassMailService.java b/src/main/java/com/pecacm/backend/services/MassMailService.java
new file mode 100644
index 0000000..ee0d516
--- /dev/null
+++ b/src/main/java/com/pecacm/backend/services/MassMailService.java
@@ -0,0 +1,152 @@
+package com.pecacm.backend.services;
+
+import com.pecacm.backend.entities.Certificate;
+import com.pecacm.backend.entities.Event;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
+import com.google.api.client.json.gson.GsonFactory;
+import com.google.api.services.gmail.Gmail;
+import com.google.api.services.gmail.model.Message;
+import com.google.auth.http.HttpCredentialsAdapter;
+import com.google.auth.oauth2.UserCredentials;
+import jakarta.mail.MessagingException;
+import jakarta.mail.Session;
+import jakarta.mail.internet.InternetAddress;
+import jakarta.mail.internet.MimeBodyPart;
+import jakarta.mail.internet.MimeMessage;
+import jakarta.mail.internet.MimeMultipart;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Service;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Base64;
+import java.util.List;
+import java.util.Properties;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class MassMailService {
+
+    private final TemplateGeneratorService generatorService;
+    private final ObjectMapper objectMapper;
+
+    @Value("${spring.gmail-api.refresh-token}")
+    private String refreshToken;
+
+    @Value("${spring.gmail-api.user-email}")
+    private String userEmail;
+
+    @jakarta.annotation.PostConstruct
+    public void validateGmailConfig() {
+        if (refreshToken == null || refreshToken.trim().isEmpty() || "${spring.gmail-api.refresh-token}".equals(refreshToken)) {
+            log.warn("Gmail API refresh-token is not configured. Mass mailing will fail.");
+        }
+        if (userEmail == null || userEmail.trim().isEmpty() || "${spring.gmail-api.user-email}".equals(userEmail)) {
+            log.warn("Gmail API user-email is not configured. Mass mailing will fail.");
+        }
+        try {
+            ClassPathResource resource = new ClassPathResource("secret.json");
+            if (!resource.exists()) {
+                log.warn("secret.json was not found in classpath. Mass mailing will fail.");
+            } else {
+                JsonNode root = objectMapper.readTree(resource.getInputStream());
+                JsonNode secrets = root.has("web") ? root.get("web") : root.get("installed");
+                if (secrets == null) {
+                    log.warn("Invalid secret.json file - No 'web' or 'installed' object found.");
+                }
+            }
+        } catch (Exception e) {
+            log.warn("Failed to validate secret.json file: {}", e.getMessage());
+        }
+    }
+
+    private Gmail getGmailService() throws Exception {
+        ClassPathResource resource = new ClassPathResource("secret.json");
+        JsonNode root = objectMapper.readTree(resource.getInputStream());
+        
+        JsonNode secrets = root.has("web") ? root.get("web") : root.get("installed");
+        if (secrets == null) throw new RuntimeException("Invalid secret.json file - No 'web' or 'installed' object found");
+
+        String clientId = secrets.get("client_id").asText();
+        String clientSecret = secrets.get("client_secret").asText();
+
+        UserCredentials credentials = UserCredentials.newBuilder()
+                .setClientId(clientId)
+                .setClientSecret(clientSecret)
+                .setRefreshToken(refreshToken)
+                .build();
+        
+        return new Gmail.Builder(
+                GoogleNetHttpTransport.newTrustedTransport(),
+                GsonFactory.getDefaultInstance(),
+                new HttpCredentialsAdapter(credentials))
+                .setApplicationName("ACM Certification Tool")
+                .build();
+    }
+
+    @Async
+    public void sendCertificates(Event event, List<Certificate> certificates) {
+        log.info("Starting Gmail API OAuth2 batch mass mail job for event: {}", event.getTitle());
+
+        try {
+            Gmail service = getGmailService();
+
+            for (Certificate certificate : certificates) {
+                try {
+                    byte[] pdfBytes = generatorService.generateCertificatePdf(certificate);
+                    MimeMessage mimeMessage = prepareMimeMessage(certificate.getRecipientEmail(), event.getTitle(), certificate.getRecipientName(), pdfBytes);
+                    
+                    Message message = createMessageWithEmail(mimeMessage);
+                    service.users().messages().send("me", message).execute();
+                    
+                    log.info("Sent Gmail API message to: {}", certificate.getRecipientEmail());
+                } catch (Exception e) {
+                    log.error("Failed to send via Gmail API for: {}", certificate.getRecipientEmail(), e);
+                }
+            }
+        } catch (Exception e) {
+            log.error("Failed to initialize Gmail API service", e);
+        }
+    }
+
+    private MimeMessage prepareMimeMessage(String to, String eventName, String recipientName, byte[] pdfBytes) throws MessagingException, IOException {
+        Properties props = new Properties();
+        Session session = Session.getDefaultInstance(props, null);
+        MimeMessage email = new MimeMessage(session);
+
+        email.setFrom(new InternetAddress(userEmail));
+        email.addRecipient(jakarta.mail.Message.RecipientType.TO, new InternetAddress(to));
+        email.setSubject("Your Certificate for " + eventName);
+
+        MimeBodyPart textPart = new MimeBodyPart();
+        textPart.setText("Dear " + recipientName + ",\n\nPlease find your participation certificate for " + eventName + " attached.\n\nBest regards,\nACM Team");
+
+        MimeBodyPart attachmentPart = new MimeBodyPart();
+        attachmentPart.setContent(pdfBytes, "application/pdf");
+        attachmentPart.setFileName("Certificate_" + eventName.replace(" ", "_") + ".pdf");
+
+        MimeMultipart multipart = new MimeMultipart();
+        multipart.addBodyPart(textPart);
+        multipart.addBodyPart(attachmentPart);
+
+        email.setContent(multipart);
+        return email;
+    }
+
+    private Message createMessageWithEmail(MimeMessage emailContent) throws MessagingException, IOException {
+        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+        emailContent.writeTo(buffer);
+        byte[] bytes = buffer.toByteArray();
+        String encodedEmail = Base64.getUrlEncoder().encodeToString(bytes);
+        Message message = new Message();
+        message.setRaw(encodedEmail);
+        return message;
+    }
+}
diff --git a/src/main/java/com/pecacm/backend/services/TemplateGeneratorService.java b/src/main/java/com/pecacm/backend/services/TemplateGeneratorService.java
new file mode 100644
index 0000000..02666e9
--- /dev/null
+++ b/src/main/java/com/pecacm/backend/services/TemplateGeneratorService.java
@@ -0,0 +1,59 @@
+package com.pecacm.backend.services;
+
+import com.pecacm.backend.entities.Certificate;
+import com.pecacm.backend.entities.Template;
+import com.itextpdf.forms.PdfAcroForm;
+import com.itextpdf.kernel.pdf.PdfDocument;
+import com.itextpdf.kernel.pdf.PdfReader;
+import com.itextpdf.kernel.pdf.PdfWriter;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+
+@Slf4j
+@Service
+public class TemplateGeneratorService {
+
+    public byte[] generateCertificatePdf(Certificate certificate) {
+        if (certificate.getEvent() == null || certificate.getEvent().getTemplate() == null) {
+            throw new RuntimeException("No template assigned to this event. Please upload a PDF template first.");
+        }
+
+        Template template = certificate.getEvent().getTemplate();
+        String path = template.getTemplatePdfPath();
+
+        log.info("Generating certificate by filling pre-designed PDF form: {}", path);
+
+        if (path == null || !new File(path).exists()) {
+            log.error("Template PDF file not found at path: {}", path);
+            throw new RuntimeException("Template PDF file missing or not uploaded.");
+        }
+
+        try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
+            try (PdfReader reader = new PdfReader(path);
+                 PdfWriter writer = new PdfWriter(baos);
+                 PdfDocument pdf = new PdfDocument(reader, writer)) {
+
+                PdfAcroForm form = PdfAcroForm.getAcroForm(pdf, true);
+                
+                if (form.getField("recipient_name") != null) {
+                    form.getField("recipient_name").setValue(certificate.getRecipientName());
+                }
+                if (form.getField("event_name") != null) {
+                    form.getField("event_name").setValue(certificate.getEvent().getTitle());
+                }
+                if (form.getField("issue_date") != null) {
+                    form.getField("issue_date").setValue(certificate.getIssueDate());
+                }
+
+                form.flattenFields();
+            }
+            return baos.toByteArray();
+        } catch (Exception e) {
+            log.error("Failed to generate certificate from PDF form", e);
+            throw new RuntimeException("Internal PDF processing error", e);
+        }
+    }
+}
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 0093ec8..312322e 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -14,42 +14,36 @@ server:
     accesslog:
       request-attributes-enabled: true
 
-spring:
+logging:
+  level:
+    root: INFO
+    "[acm.internal.certification]": INFO
 
+spring:
   docker:
     compose:
       enabled: false
+  profiles:
+    active: dev
+  application:
+    name: certification
   datasource:
-    url: ${POSTGRESQL_DB_URL}
-    username: ${POSTGRESQL_DB_USER}
-    password: ${POSTGRESQL_DB_PASSWORD}
-    #    url: jdbc:postgresql://localhost:5432/acm
-    #    username: acmsecy
-    #    password: acmheads
-    hikari:
-      maximumPoolSize: 20
-      minimumIdle: 5
-      idleTimeout: 30000
-      maxLifetime: 1800000
-      connectionTimeout: 30000
-    driverClassName: org.postgresql.Driver
-
+    url: jdbc:sqlite:certificate.db
+    driver-class-name: org.sqlite.JDBC
+  sql:
+    init:
+      mode: always
   jpa:
+    defer-datasource-initialization: true
+    database-platform: org.hibernate.community.dialect.SQLiteDialect
     hibernate:
       ddl-auto: update
-    properties:
-      hibernate:
-        format_sql: true
-        show-sql: true
-        use_sql_comments: true
-    database-platform: org.hibernate.dialect.PostgreSQLDialect
-
-
+    show-sql: true
   mail:
     host: smtp.gmail.com
     port: 587
-    username: ${SMTP_EMAIL}
-    password: ${SMTP_PASSWORD}
+    username: ${SMTP_EMAIL:}
+    password: ${SMTP_PASSWORD:}
     properties:
       mail:
         smtp:
@@ -57,17 +51,12 @@ spring:
           starttls:
             enable: true
             required: true
+  gmail-api:
+    refresh-token: ${GMAIL_REFRESH_TOKEN:}
+    user-email: ${GMAIL_USER_EMAIL:}
 
 jwt:
   secret: nyanpasu
 verify:
   base:
     frontend: https://pecacm.in/
-
-logging:
-  file:
-    name: /pecacm/logs/backend.log
-  pattern:
-    console: "%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n"
-  level:
-    org.springframework: INFO
diff --git a/src/main/resources/data.sql b/src/main/resources/data.sql
index c67fe95..3cffd93 100644
--- a/src/main/resources/data.sql
+++ b/src/main/resources/data.sql
@@ -1,111 +1,48 @@
---
--- PostgreSQL database dump
---
-
--- Dumped from database version 15.3 (Debian 15.3-1.pgdg120+1)
--- Dumped by pg_dump version 15.3 (Debian 15.3-1.pgdg120+1)
-
-SET statement_timeout = 0;
-SET lock_timeout = 0;
-SET idle_in_transaction_session_timeout = 0;
-SET client_encoding = 'UTF8';
-SET standard_conforming_strings = on;
-SELECT pg_catalog.set_config('search_path', '', false);
-SET check_function_bodies = false;
-SET xmloption = content;
-SET client_min_messages = warning;
-SET row_security = off;
-
---
--- Data for Name: events; Type: TABLE DATA; Schema: public; Owner: acmsecy
---
-
--- COPY public.events (id, branch, description, end_date, ended, related_link, start_date, title, venue) FROM stdin;
--- 3	WIT	string	2023-10-29 13:09:12.677	f	string	2023-10-28 13:09:12.677	Women in Tech	string
--- 1	DEVELOPMENT	string	2023-11-03 13:09:12.677	t	string	2023-11-01 13:09:12.677	Ideathon 3.0	string
--- 2	AI	string	2023-10-31 13:09:12.677	t	string	2023-10-30 13:09:12.677	Kaggle challenge 3.0	string
--- \.
-
-INSERT INTO public.events (id, branch, description, end_date, ended, related_link, start_date, title, venue)
-VALUES (3, 'WIT', 'string', '2023-10-29 13:09:12.677', 'f', 'string', '2023-10-28 13:09:12.677', 'Women in Tech',
-        'string');
-INSERT INTO public.events (id, branch, description, end_date, ended, related_link, start_date, title, venue)
-VALUES (1, 'DEVELOPMENT', 'string', '2023-11-03 13:09:12.677', 't', 'string', '2023-11-01 13:09:12.677', 'Ideathon 3.0',
-        'string');
-INSERT INTO public.events (id, branch, description, end_date, ended, related_link, start_date, title, venue)
-VALUES (2, 'AI', 'string', '2023-10-31 13:09:12.677', 't', 'string', '2023-10-30 13:09:12.677', 'Kaggle challenge 3.0',
-        'string');
-
-
-
---
--- Data for Name: users; Type: TABLE DATA; Schema: public; Owner: acmsecy
---
-
--- COPY public.users (id, batch, branch, designation, display_picture, email, name, password, student_id, verified,
---                    xp_total) FROM stdin;
--- 2	2024	CSE	Member	\N	manjotsinghoberoi.btcse20@pec.edu.in	Manjot Singh Oberoi	$2a$10$flz6mYi4mo1RCw4YgheMRO5T90yNPQujsDaZ.6pCM2W4Il2uX9REm	20103075	f	1
--- 1	2024	CSE	Admin	\N	harshpreetsinghjohar.btcse20@pec.edu.in	Harshpreet Singh Johar	$2a$10$d/mEUVISoHIQumX3MZE2iuWbhtqIlCuW5xIEw9vxEuIbWx/TMfcWO	20103076	t	10
--- \.
-
-INSERT INTO public.users (id, batch, branch, designation, display_picture, email, name, password, student_id, verified,
-                          xp_total)
-VALUES (2, 2024, 'CSE', 'Member', NULL, 'manjotsinghoberoi.btcse20@pec.edu.in', 'Manjot Singh Oberoi',
-        '$2a$10$flz6mYi4mo1RCw4YgheMRO5T90yNPQujsDaZ.6pCM2W4Il2uX9REm', 20103075, 'f', 1);
-INSERT INTO public.users (id, batch, branch, designation, display_picture, email, name, password, student_id, verified,
-                          xp_total)
+-- Seed data for SQLite (dev profile)
+
+-- Events
+INSERT OR IGNORE INTO events (id, branch, description, end_date, ended, related_link, start_date, title, venue)
+VALUES (1, 'DEVELOPMENT', 'A hackathon for developers', '2023-11-03 13:09:12.677', 1, 'https://example.com', '2023-11-01 13:09:12.677', 'Ideathon 3.0', 'Auditorium');
+INSERT OR IGNORE INTO events (id, branch, description, end_date, ended, related_link, start_date, title, venue)
+VALUES (2, 'AI', 'ML competition', '2023-10-31 13:09:12.677', 1, 'https://example.com', '2023-10-30 13:09:12.677', 'Kaggle challenge 3.0', 'Lab 1');
+INSERT OR IGNORE INTO events (id, branch, description, end_date, ended, related_link, start_date, title, venue)
+VALUES (3, 'WIT', 'Women in Tech event', '2023-10-29 13:09:12.677', 0, 'https://example.com', '2023-10-28 13:09:12.677', 'Women in Tech', 'Seminar Hall');
+
+-- Users (passwords are BCrypt hashed)
+INSERT OR IGNORE INTO users (id, batch, branch, designation, display_picture, email, name, password, student_id, verified, xp_total)
 VALUES (1, 2024, 'CSE', 'Admin', NULL, 'harshpreetsinghjohar.btcse20@pec.edu.in', 'Harshpreet Singh Johar',
-        '$2a$10$RJzQiTkb/ZbBDwSYXTYTYeo7gKBDn7Q0ntqLBW5nCIYZZd8/NkuFu', 20103076, 't', 10);
-
---
--- Data for Name: transactions; Type: TABLE DATA; Schema: public; Owner: acmsecy
---
+        '$2a$10$RJzQiTkb/ZbBDwSYXTYTYeo7gKBDn7Q0ntqLBW5nCIYZZd8/NkuFu', 20103076, 1, 10);
+INSERT OR IGNORE INTO users (id, batch, branch, designation, display_picture, email, name, password, student_id, verified, xp_total)
+VALUES (2, 2024, 'CSE', 'Member', NULL, 'manjotsinghoberoi.btcse20@pec.edu.in', 'Manjot Singh Oberoi',
+        '$2a$10$flz6mYi4mo1RCw4YgheMRO5T90yNPQujsDaZ.6pCM2W4Il2uX9REm', 20103075, 0, 1);
 
--- COPY public.transactions (id, date, role, xp_awarded, event_id, user_id) FROM stdin;
--- 1	2023-11-01 18:49:48.881507	ORGANIZER	5	1	1
--- 2	2023-11-01 18:49:48.881551	PARTICIPANT	1	1	2
--- 3	2023-11-01 18:50:24.607074	ORGANIZER	5	2	1
--- \.
-INSERT INTO public.transactions (id, date, role, xp_awarded, event_id, user_id)
+-- Transactions
+INSERT OR IGNORE INTO transactions (id, date, role, xp_awarded, event_id, user_id)
 VALUES (1, '2023-11-01 18:49:48.881507', 'ORGANIZER', 5, 1, 1);
-INSERT INTO public.transactions (id, date, role, xp_awarded, event_id, user_id)
+INSERT OR IGNORE INTO transactions (id, date, role, xp_awarded, event_id, user_id)
 VALUES (2, '2023-11-01 18:49:48.881551', 'PARTICIPANT', 1, 1, 2);
-INSERT INTO public.transactions (id, date, role, xp_awarded, event_id, user_id)
+INSERT OR IGNORE INTO transactions (id, date, role, xp_awarded, event_id, user_id)
 VALUES (3, '2023-11-01 18:50:24.607074', 'ORGANIZER', 5, 2, 1);
 
-
---
--- Data for Name: verification_token; Type: TABLE DATA; Schema: public; Owner: acmsecy
---
-
--- COPY public.verification_token (token, created_date, id) FROM stdin;
--- 564add94-f324-4d99-8fec-a825e656d04e	2023-11-01 18:46:23.322393	2
--- \.
-INSERT INTO public.verification_token (token, created_date, id)
+-- Verification tokens
+INSERT OR IGNORE INTO verification_token (token, created_date, id)
 VALUES ('564add94-f324-4d99-8fec-a825e656d04e', '2023-11-01 18:46:23.322393', 2);
 
-
---
--- Name: events_id_seq; Type: SEQUENCE SET; Schema: public; Owner: acmsecy
---
-
-SELECT pg_catalog.setval('public.events_id_seq', 3, true);
-
-
---
--- Name: transactions_id_seq; Type: SEQUENCE SET; Schema: public; Owner: acmsecy
---
-
-SELECT pg_catalog.setval('public.transactions_id_seq', 3, true);
-
-
---
--- Name: users_id_seq; Type: SEQUENCE SET; Schema: public; Owner: acmsecy
---
-
-SELECT pg_catalog.setval('public.users_id_seq', 2, true);
-
-
---
--- PostgreSQL database dump complete
---
\ No newline at end of file
+-- Demo users (password: password123)
+INSERT OR IGNORE INTO users (id, batch, branch, designation, display_picture, email, name, password, student_id, verified, xp_total)
+VALUES (3, 2024, 'CSE', 'Member', NULL, 'ayushdubey.bt24cse@pec.edu.in', 'Ayush Dubey',
+        '$2a$10$flz6mYi4mo1RCw4YgheMRO5T90yNPQujsDaZ.6pCM2W4Il2uX9REm', 24000002, 1, 0);
+INSERT OR IGNORE INTO users (id, batch, branch, designation, display_picture, email, name, password, student_id, verified, xp_total)
+VALUES (4, 2024, 'CSE', 'Member', NULL, 'ayushalokdubey@gmail.com', 'Alok Dubey',
+        '$2a$10$flz6mYi4mo1RCw4YgheMRO5T90yNPQujsDaZ.6pCM2W4Il2uX9REm', 24000003, 1, 0);
+INSERT OR IGNORE INTO users (id, batch, branch, designation, display_picture, email, name, password, student_id, verified, xp_total)
+VALUES (5, 2024, 'CSE', 'Member', NULL, '24f2004275@ds.study.iitm.ac.in', 'IITM Student',
+        '$2a$10$flz6mYi4mo1RCw4YgheMRO5T90yNPQujsDaZ.6pCM2W4Il2uX9REm', 24000004, 1, 0);
+
+-- Register all 3 users as PARTICIPANTs in Ideathon 3.0 (event_id=1)
+INSERT OR IGNORE INTO transactions (id, date, role, xp_awarded, event_id, user_id)
+VALUES (4, '2023-11-01 18:49:48.881507', 'PARTICIPANT', 1, 1, 3);
+INSERT OR IGNORE INTO transactions (id, date, role, xp_awarded, event_id, user_id)
+VALUES (5, '2023-11-01 18:49:48.881507', 'PARTICIPANT', 1, 1, 4);
+INSERT OR IGNORE INTO transactions (id, date, role, xp_awarded, event_id, user_id)
+VALUES (6, '2023-11-01 18:49:48.881507', 'PARTICIPANT', 1, 1, 5);
diff --git a/src/main/resources/templates/index.html b/src/main/resources/templates/index.html
new file mode 100644
index 0000000..23ed707
--- /dev/null
+++ b/src/main/resources/templates/index.html
@@ -0,0 +1,110 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <title>ACM Certificate Portal</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <style>
+        body { background-color: #f8f9fa; font-family: 'Inter', sans-serif; }
+        .hero { background: linear-gradient(135deg, #004e92 0%, #000428 100%); color: white; padding: 40px 0; border-radius: 0 0 20px 20px; box-shadow: 0 4px 15px rgba(0,0,0,0.2); }
+        .card { border: none; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); margin-top: -30px; }
+        .btn-primary { background-color: #004e92; border: none; padding: 10px 25px; border-radius: 8px; font-weight: 600; }
+        .section-title { color: #004e92; margin-bottom: 25px; font-weight: 700; border-bottom: 3px solid #004e92; display: inline-block; padding-bottom: 5px; }
+    </style>
+</head>
+<body>
+
+<div class="hero text-center">
+    <h1 class="display-4 fw-bold">ACM Certificate Portal</h1>
+    <p class="lead">Upload designs from Canva and generate certificates instantly.</p>
+</div>
+
+<div class="container mb-5">
+    <div class="row justify-content-center">
+        <div class="col-md-10">
+            <div class="card p-5">
+                
+                <div class="row">
+                    <!-- Step 1: Upload Template -->
+                    <div class="col-md-6 border-end">
+                        <h3 class="section-title">1. Setup Template</h3>
+                        <form th:action="@{/ui/upload}" method="post" enctype="multipart/form-data">
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold">Select Event</label>
+                                <select name="eventId" class="form-select" required>
+                                    <option th:each="event : ${events}" th:value="${event.id}" th:text="${event.title}"></option>
+                                </select>
+                            </div>
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold">Canva PDF Template (with AcroForm fields)</label>
+                                <input type="file" name="file" class="form-control" accept="application/pdf" required>
+                            </div>
+                            <button type="submit" class="btn btn-outline-primary w-100">Upload & Sync</button>
+                        </form>
+                        <div th:if="${param.success}" class="alert alert-success mt-3 py-2 text-center small">Template Uploaded Successfully!</div>
+                    </div>
+
+                    <!-- Step 2: Individual Download -->
+                    <div class="col-md-3 border-end ps-md-4">
+                        <h3 class="section-title">2. Download</h3>
+                        <form th:action="@{/ui/generate}" method="post">
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold small">Event</label>
+                                <select name="eventId" class="form-select form-select-sm" required>
+                                    <option th:each="event : ${events}" th:value="${event.id}" th:text="${event.title}"></option>
+                                </select>
+                            </div>
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold small">Full Name</label>
+                                <input type="text" name="recipientName" class="form-control form-control-sm" placeholder="Search..." required>
+                            </div>
+                            <button type="submit" class="btn btn-primary w-100 btn-sm shadow-sm">Get PDF</button>
+                        </form>
+                    </div>
+
+                    <!-- Step 3: Mass Mailing -->
+                    <div class="col-md-3 ps-md-4">
+                        <h3 class="section-title">3. Mass Mail</h3>
+                        
+                        <!-- CSV Upload -->
+                        <form th:action="@{/ui/mass-mail}" method="post" enctype="multipart/form-data" class="mb-4">
+                            <div class="mb-2">
+                                <label class="form-label fw-semibold small">List (CSV: Name,Email)</label>
+                                <input type="file" name="file" class="form-control form-control-sm" accept=".csv" required>
+                            </div>
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold small">Event</label>
+                                <select name="eventId" class="form-select form-select-sm" required>
+                                    <option th:each="event : ${events}" th:value="${event.id}" th:text="${event.title}"></option>
+                                </select>
+                            </div>
+                            <button type="submit" class="btn btn-success w-100 btn-sm shadow-sm" onclick="return confirm('Trigger mail job from CSV?')">From CSV</button>
+                        </form>
+
+                        <div class="text-center text-muted small mb-3">— OR —</div>
+
+                        <!-- Auto Sync -->
+                        <form th:action="@{/ui/send-to-registered}" method="post">
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold small">Directly from Event Database</label>
+                                <select name="eventId" class="form-select form-select-sm" required>
+                                    <option th:each="event : ${events}" th:value="${event.id}" th:text="${event.title}"></option>
+                                </select>
+                            </div>
+                            <button type="submit" class="btn btn-outline-success w-100 btn-sm shadow-sm" onclick="return confirm('Send to all participants currently registered in DB?')">Sync Registered</button>
+                        </form>
+
+                        <div th:if="${param.count}" class="alert alert-info mt-3 py-1 text-center x-small" style="font-size: 0.75rem;">Job started for <span th:text="${param.count}"></span> users</div>
+                    </div>
+                </div>
+
+            </div>
+        </div>
+    </div>
+</div>
+
+<div class="container text-center text-muted small mt-4">
+    <p>&copy; 2026 Association for Computing Machinery Internal Tools</p>
+</div>
+
+</body>
+</html>
diff --git a/target/backend-1.0.1.jar b/target/backend-1.0.1.jar
deleted file mode 100644
index 10d487d..0000000
Binary files a/target/backend-1.0.1.jar and /dev/null differ
diff --git a/target/backend-1.0.1.jar.original b/target/backend-1.0.1.jar.original
deleted file mode 100644
index 7f67fc3..0000000
Binary files a/target/backend-1.0.1.jar.original and /dev/null differ
diff --git a/target/classes/application.yml b/target/classes/application.yml
index fac06d8..f59a16d 100644
--- a/target/classes/application.yml
+++ b/target/classes/application.yml
@@ -20,12 +20,9 @@ spring:
     compose:
       enabled: false
   datasource:
-    url: ${POSTGRESQL_DB_URL}
-    username: ${POSTGRESQL_DB_USER}
-    password: ${POSTGRESQL_DB_PASSWORD}
-    #    url: jdbc:postgresql://localhost:5432/acm
-    #    username: acmsecy
-    #    password: acmheads
+    url: ${POSTGRESQL_DB_URL:jdbc:postgresql://localhost:5432/acm}
+    username: ${POSTGRESQL_DB_USER:acmsecy}
+    password: ${POSTGRESQL_DB_PASSWORD:acmheads}
     hikari:
       maximumPoolSize: 20
       minimumIdle: 5
@@ -58,11 +55,15 @@ spring:
             enable: true
             required: true
 
+  gmail-api:
+    refresh-token: ${GMAIL_REFRESH_TOKEN}
+    user-email: ${GMAIL_USER_EMAIL}
+
 jwt:
   secret: nyanpasu
 verify:
   base:
-    frontend: https://pecacm.com/
+    frontend: https://pecacm.in/
 
 logging:
   file:
@@ -70,4 +71,4 @@ logging:
   pattern:
     console: "%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n"
   level:
-    org.springframework: INFO
\ No newline at end of file
+    org.springframework: INFO
diff --git a/target/classes/com/pecacm/backend/configuration/SecurityConfiguration.class b/target/classes/com/pecacm/backend/configuration/SecurityConfiguration.class
index a2c4e7b..aa10797 100644
Binary files a/target/classes/com/pecacm/backend/configuration/SecurityConfiguration.class and b/target/classes/com/pecacm/backend/configuration/SecurityConfiguration.class differ
diff --git a/target/classes/com/pecacm/backend/controllers/CertificateController.class b/target/classes/com/pecacm/backend/controllers/CertificateController.class
new file mode 100644
index 0000000..91cd478
Binary files /dev/null and b/target/classes/com/pecacm/backend/controllers/CertificateController.class differ
diff --git a/target/classes/com/pecacm/backend/controllers/CertificateUIController.class b/target/classes/com/pecacm/backend/controllers/CertificateUIController.class
new file mode 100644
index 0000000..cc341cb
Binary files /dev/null and b/target/classes/com/pecacm/backend/controllers/CertificateUIController.class differ
diff --git a/target/classes/com/pecacm/backend/controllers/TemplateController.class b/target/classes/com/pecacm/backend/controllers/TemplateController.class
new file mode 100644
index 0000000..aebde60
Binary files /dev/null and b/target/classes/com/pecacm/backend/controllers/TemplateController.class differ
diff --git a/target/classes/com/pecacm/backend/entities/Certificate$CertificateBuilder.class b/target/classes/com/pecacm/backend/entities/Certificate$CertificateBuilder.class
new file mode 100644
index 0000000..1648579
Binary files /dev/null and b/target/classes/com/pecacm/backend/entities/Certificate$CertificateBuilder.class differ
diff --git a/target/classes/com/pecacm/backend/entities/Certificate.class b/target/classes/com/pecacm/backend/entities/Certificate.class
new file mode 100644
index 0000000..69d5fdc
Binary files /dev/null and b/target/classes/com/pecacm/backend/entities/Certificate.class differ
diff --git a/target/classes/com/pecacm/backend/entities/Event$EventBuilder.class b/target/classes/com/pecacm/backend/entities/Event$EventBuilder.class
index f9d3b01..ac0dab6 100644
Binary files a/target/classes/com/pecacm/backend/entities/Event$EventBuilder.class and b/target/classes/com/pecacm/backend/entities/Event$EventBuilder.class differ
diff --git a/target/classes/com/pecacm/backend/entities/Event.class b/target/classes/com/pecacm/backend/entities/Event.class
index 74c94d6..36a59ad 100644
Binary files a/target/classes/com/pecacm/backend/entities/Event.class and b/target/classes/com/pecacm/backend/entities/Event.class differ
diff --git a/target/classes/com/pecacm/backend/entities/Template$TemplateBuilder.class b/target/classes/com/pecacm/backend/entities/Template$TemplateBuilder.class
new file mode 100644
index 0000000..ce7cc13
Binary files /dev/null and b/target/classes/com/pecacm/backend/entities/Template$TemplateBuilder.class differ
diff --git a/target/classes/com/pecacm/backend/entities/Template.class b/target/classes/com/pecacm/backend/entities/Template.class
new file mode 100644
index 0000000..ad6567d
Binary files /dev/null and b/target/classes/com/pecacm/backend/entities/Template.class differ
diff --git a/target/classes/com/pecacm/backend/repository/CertificateRepository.class b/target/classes/com/pecacm/backend/repository/CertificateRepository.class
new file mode 100644
index 0000000..ac4dc23
Binary files /dev/null and b/target/classes/com/pecacm/backend/repository/CertificateRepository.class differ
diff --git a/target/classes/com/pecacm/backend/repository/TemplateRepository.class b/target/classes/com/pecacm/backend/repository/TemplateRepository.class
new file mode 100644
index 0000000..1b7839c
Binary files /dev/null and b/target/classes/com/pecacm/backend/repository/TemplateRepository.class differ
diff --git a/target/classes/com/pecacm/backend/repository/UserRepository.class b/target/classes/com/pecacm/backend/repository/UserRepository.class
index 47dbad8..d5bd235 100644
Binary files a/target/classes/com/pecacm/backend/repository/UserRepository.class and b/target/classes/com/pecacm/backend/repository/UserRepository.class differ
diff --git a/target/classes/com/pecacm/backend/services/CertificateService.class b/target/classes/com/pecacm/backend/services/CertificateService.class
new file mode 100644
index 0000000..b5db302
Binary files /dev/null and b/target/classes/com/pecacm/backend/services/CertificateService.class differ
diff --git a/target/classes/com/pecacm/backend/services/MassMailService.class b/target/classes/com/pecacm/backend/services/MassMailService.class
new file mode 100644
index 0000000..521bdc2
Binary files /dev/null and b/target/classes/com/pecacm/backend/services/MassMailService.class differ
diff --git a/target/classes/com/pecacm/backend/services/TemplateGeneratorService.class b/target/classes/com/pecacm/backend/services/TemplateGeneratorService.class
new file mode 100644
index 0000000..49dff5e
Binary files /dev/null and b/target/classes/com/pecacm/backend/services/TemplateGeneratorService.class differ
diff --git a/target/classes/templates/index.html b/target/classes/templates/index.html
new file mode 100644
index 0000000..23ed707
--- /dev/null
+++ b/target/classes/templates/index.html
@@ -0,0 +1,110 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <title>ACM Certificate Portal</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <style>
+        body { background-color: #f8f9fa; font-family: 'Inter', sans-serif; }
+        .hero { background: linear-gradient(135deg, #004e92 0%, #000428 100%); color: white; padding: 40px 0; border-radius: 0 0 20px 20px; box-shadow: 0 4px 15px rgba(0,0,0,0.2); }
+        .card { border: none; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); margin-top: -30px; }
+        .btn-primary { background-color: #004e92; border: none; padding: 10px 25px; border-radius: 8px; font-weight: 600; }
+        .section-title { color: #004e92; margin-bottom: 25px; font-weight: 700; border-bottom: 3px solid #004e92; display: inline-block; padding-bottom: 5px; }
+    </style>
+</head>
+<body>
+
+<div class="hero text-center">
+    <h1 class="display-4 fw-bold">ACM Certificate Portal</h1>
+    <p class="lead">Upload designs from Canva and generate certificates instantly.</p>
+</div>
+
+<div class="container mb-5">
+    <div class="row justify-content-center">
+        <div class="col-md-10">
+            <div class="card p-5">
+                
+                <div class="row">
+                    <!-- Step 1: Upload Template -->
+                    <div class="col-md-6 border-end">
+                        <h3 class="section-title">1. Setup Template</h3>
+                        <form th:action="@{/ui/upload}" method="post" enctype="multipart/form-data">
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold">Select Event</label>
+                                <select name="eventId" class="form-select" required>
+                                    <option th:each="event : ${events}" th:value="${event.id}" th:text="${event.title}"></option>
+                                </select>
+                            </div>
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold">Canva PDF Template (with AcroForm fields)</label>
+                                <input type="file" name="file" class="form-control" accept="application/pdf" required>
+                            </div>
+                            <button type="submit" class="btn btn-outline-primary w-100">Upload & Sync</button>
+                        </form>
+                        <div th:if="${param.success}" class="alert alert-success mt-3 py-2 text-center small">Template Uploaded Successfully!</div>
+                    </div>
+
+                    <!-- Step 2: Individual Download -->
+                    <div class="col-md-3 border-end ps-md-4">
+                        <h3 class="section-title">2. Download</h3>
+                        <form th:action="@{/ui/generate}" method="post">
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold small">Event</label>
+                                <select name="eventId" class="form-select form-select-sm" required>
+                                    <option th:each="event : ${events}" th:value="${event.id}" th:text="${event.title}"></option>
+                                </select>
+                            </div>
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold small">Full Name</label>
+                                <input type="text" name="recipientName" class="form-control form-control-sm" placeholder="Search..." required>
+                            </div>
+                            <button type="submit" class="btn btn-primary w-100 btn-sm shadow-sm">Get PDF</button>
+                        </form>
+                    </div>
+
+                    <!-- Step 3: Mass Mailing -->
+                    <div class="col-md-3 ps-md-4">
+                        <h3 class="section-title">3. Mass Mail</h3>
+                        
+                        <!-- CSV Upload -->
+                        <form th:action="@{/ui/mass-mail}" method="post" enctype="multipart/form-data" class="mb-4">
+                            <div class="mb-2">
+                                <label class="form-label fw-semibold small">List (CSV: Name,Email)</label>
+                                <input type="file" name="file" class="form-control form-control-sm" accept=".csv" required>
+                            </div>
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold small">Event</label>
+                                <select name="eventId" class="form-select form-select-sm" required>
+                                    <option th:each="event : ${events}" th:value="${event.id}" th:text="${event.title}"></option>
+                                </select>
+                            </div>
+                            <button type="submit" class="btn btn-success w-100 btn-sm shadow-sm" onclick="return confirm('Trigger mail job from CSV?')">From CSV</button>
+                        </form>
+
+                        <div class="text-center text-muted small mb-3">— OR —</div>
+
+                        <!-- Auto Sync -->
+                        <form th:action="@{/ui/send-to-registered}" method="post">
+                            <div class="mb-3">
+                                <label class="form-label fw-semibold small">Directly from Event Database</label>
+                                <select name="eventId" class="form-select form-select-sm" required>
+                                    <option th:each="event : ${events}" th:value="${event.id}" th:text="${event.title}"></option>
+                                </select>
+                            </div>
+                            <button type="submit" class="btn btn-outline-success w-100 btn-sm shadow-sm" onclick="return confirm('Send to all participants currently registered in DB?')">Sync Registered</button>
+                        </form>
+
+                        <div th:if="${param.count}" class="alert alert-info mt-3 py-1 text-center x-small" style="font-size: 0.75rem;">Job started for <span th:text="${param.count}"></span> users</div>
+                    </div>
+                </div>
+
+            </div>
+        </div>
+    </div>
+</div>
+
+<div class="container text-center text-muted small mt-4">
+    <p>&copy; 2026 Association for Computing Machinery Internal Tools</p>
+</div>
+
+</body>
+</html>
diff --git a/target/maven-archiver/pom.properties b/target/maven-archiver/pom.properties
deleted file mode 100644
index 42074b0..0000000
--- a/target/maven-archiver/pom.properties
+++ /dev/null
@@ -1,3 +0,0 @@
-artifactId=backend
-groupId=com.pecacm
-version=1.0.1
diff --git a/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
index 69841d5..384fa52 100644
--- a/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
+++ b/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
@@ -1,54 +1,65 @@
-com\pecacm\backend\constants\ErrorConstants.class
-com\pecacm\backend\response\SupportEventResponse.class
-com\pecacm\backend\model\EndEventDetails$1.class
-com\pecacm\backend\entities\Transaction$TransactionBuilder.class
-com\pecacm\backend\entities\VerificationToken.class
-com\pecacm\backend\model\EndEventDetails$EndEventDetailsBuilder.class
-com\pecacm\backend\enums\Role.class
-com\pecacm\backend\response\RegisterResponse.class
-com\pecacm\backend\services\EventService$1.class
-com\pecacm\backend\model\AuthenticationRequest.class
-com\pecacm\backend\configuration\MyWebMvcConfigurer.class
-com\pecacm\backend\constants\Constants.class
-com\pecacm\backend\services\EventService.class
-com\pecacm\backend\util\LoggingInterceptor.class
-com\pecacm\backend\configuration\CorsConfig$1.class
-com\pecacm\backend\model\AssignRoleRequest.class
-com\pecacm\backend\BackendApplication.class
-com\pecacm\backend\response\UserEventDetails.class
-com\pecacm\backend\repository\VerificationTokenRepository.class
-com\pecacm\backend\enums\Branch.class
-com\pecacm\backend\response\AuthenticationResponse.class
-com\pecacm\backend\response\ErrorResponse.class
-com\pecacm\backend\exception\AcmException.class
-com\pecacm\backend\response\SupportUserResponse.class
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diff --git a/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
index 820503d..4a77a19 100644
--- a/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
+++ b/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
@@ -1,46 +1,57 @@
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diff --git a/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst b/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
index c7b9daf..e69de29 100644
--- a/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
+++ b/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
@@ -1 +0,0 @@
-com\pecacm\backend\BackendApplicationTests.class
diff --git a/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst b/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
index 452bb61..0a15fe9 100644
--- a/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
+++ b/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
@@ -1 +1 @@
-C:\Users\ASUS\Desktop\acm_website\backend\acm-website-backend\src\test\java\com\pecacm\backend\BackendApplicationTests.java
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diff --git a/uploads/template_1_1776547689916.pdf b/uploads/template_1_1776547689916.pdf
new file mode 100644
index 0000000..6747811
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