diff --git a/data/tasks.json b/data/tasks.json
index 3747a16..2539ede 100644
--- a/data/tasks.json
+++ b/data/tasks.json
@@ -1,115 +1,22 @@
 [
   {
     "id": "1",
-    "title": "Learn Node.js Fundamentals",
-    "description": "Complete the Node.js basics course and build a simple server",
-    "status": "in-progress",
-    "priority": "high",
+    "title": "JavaScript",
+    "description": "Build JavaScript",
+    "status": "pending",
+    "priority": "medium",
     "dueDate": "2024-01-15",
     "assignedTo": "John Doe",
     "subtasks": [
       {
-        "id": "1.1",
-        "title": "Install Node.js",
-        "completed": true,
-        "description": "Download and install Node.js on your machine"
-      },
-      {
-        "id": "1.2",
-        "title": "Create First Server",
-        "completed": false,
-        "description": "Build a simple HTTP server using Express.js"
-      },
-      {
-        "id": "1.3",
-        "title": "Handle Routes",
+        "title": "Install JavaScript",
         "completed": false,
-        "description": "Learn how to create and handle different routes"
-      },
-      {
-        "id": "1.4",
-        "title": "Test Subtask",
-        "description": "This is a test subtask",
-        "completed": false
+        "description": "Download and install JavaScript on your machine"
       }
     ],
     "createdAt": "2024-01-01T10:30:00.000Z",
     "updatedAt": "2025-07-23T01:29:37.667Z"
   },
-  {
-    "id": "2",
-    "title": "Build REST API",
-    "description": "Create a complete REST API with CRUD operations",
-    "status": "pending",
-    "priority": "medium",
-    "dueDate": "2024-01-20",
-    "assignedTo": "Jane Smith",
-    "subtasks": [
-      {
-        "id": "2.1",
-        "title": "Design API Structure",
-        "completed": false,
-        "description": "Plan the API endpoints and data structure"
-      },
-      {
-        "id": "2.2",
-        "title": "Implement GET Routes",
-        "completed": false,
-        "description": "Create routes to retrieve data"
-      },
-      {
-        "id": "2.3",
-        "title": "Implement POST Routes",
-        "completed": false,
-        "description": "Create routes to add new data"
-      },
-      {
-        "id": "2.4",
-        "title": "Add Validation",
-        "completed": false,
-        "description": "Implement input validation and error handling"
-      }
-    ],
-    "createdAt": "2024-01-02T11:00:00.000Z",
-    "updatedAt": "2024-01-02T11:00:00.000Z"
-  },
-  {
-    "id": "3",
-    "title": "Database Integration",
-    "description": "Connect the API to a database system",
-    "status": "completed",
-    "priority": "low",
-    "dueDate": "2024-01-10",
-    "assignedTo": "Mike Johnson",
-    "subtasks": [
-      {
-        "id": "3.1",
-        "title": "Choose Database",
-        "completed": true,
-        "description": "Select appropriate database (MongoDB/PostgreSQL)"
-      },
-      {
-        "id": "3.2",
-        "title": "Setup Connection",
-        "completed": true,
-        "description": "Configure database connection"
-      },
-      {
-        "id": "3.3",
-        "title": "Create Models",
-        "completed": true,
-        "description": "Define data models and schemas"
-      },
-      {
-        "id": "3.4",
-        "title": "Update API",
-        "completed": true,
-        "description": "Modify API to use database instead of JSON files"
-      }
-    ],
-    "createdAt": "2024-01-03T09:15:00.000Z",
-    "updatedAt": "2024-01-08T16:45:00.000Z"
-  },
   {
     "id": "4",
     "title": "Frontend Development",
@@ -143,14 +50,60 @@
   },
   {
     "id": "5",
-    "title": "Test",
-    "description": "Test",
-    "status": "pending",
-    "priority": "medium",
+    "title": "Full Stuck",
+    "description": "Frontend and Backend",
+    "status": "in-progress",
+    "priority": "high",
     "dueDate": null,
     "assignedTo": null,
-    "subtasks": [],
+    "subtasks": [
+      {
+        "title": "Install React and Node.js",
+        "completed": false,
+        "description": "Download and install JReact and Node.js on your machine"
+      }
+    ],
     "createdAt": "2025-07-23T04:22:47.898Z",
     "updatedAt": "2025-07-23T04:22:47.899Z"
+  },
+  {
+    "id": 6,
+    "title": "javaScript and c++",
+    "description": "Full Complated Course",
+    "status": null,
+    "priority": null,
+    "dueDate": "2025-11-21T05:14:06.849Z",
+    "subtasks": []
+  },
+  {
+    "id": 7,
+    "title": "JavaScript",
+    "description": "Build JavaScript",
+    "status": "pending",
+    "priority": "medium",
+    "dueDate": "2025-11-21T09:45:12.683Z",
+    "subtasks": [
+      {
+        "title": "Install JavaScript",
+        "completed": false,
+        "description": "Download and install JavaScript on your machine"
+      }
+    ]
+  },
+  {
+    "id": 8,
+    "title": "React & NODE JS",
+    "description": "Learning New Skills",
+    "status": "in-progress",
+    "priority": "high",
+    "dueDate": "2025-11-22T05:13:01.056Z",
+    "assignedTo": null,
+    "subtasks": [
+      {
+        "title": "Install React",
+        "completed": false,
+        "description": "Download and install React on your machine"
+      }
+    ]
   }
 ]
\ No newline at end of file
diff --git a/routes/tasks.js b/routes/tasks.js
index b2bcfcb..1c21062 100644
--- a/routes/tasks.js
+++ b/routes/tasks.js
@@ -1,3 +1,4 @@
+import { create } from "domain";
 import express from "express";
 import fs from "fs/promises";
 import path from "path";
@@ -153,20 +154,55 @@ router.post("/tasks", async (req, res) => {
   try {
     // TODO: Implement task creation
     // 1. Extract data from req.body (title, description, status, priority, etc.)
+    const { title, description, status, priority, assignedTo, subtasks } =
+      req.body;
+
     // 2. Validate the data using validateTaskData function
+    const validate = validateTaskData({
+      title,
+      description,
+      status,
+      priority,
+      assignedTo,
+      subtasks,
+    });
+
+    if (!validate) {
+      return res.status(400).json({ error: "Missing required fields" });
+    }
     // 3. Get all existing tasks using getAllTasks()
+    const tasks = await getAllTasks();
+
     // 4. Generate a new ID for the task
+    const newID =
+      tasks.length > 0 ? Math.max(...tasks.map((t) => parseInt(t.id))) + 1 : 1;
+
     // 5. Create a new task object with all required fields
+    const newTask = {
+      id: newID,
+      title,
+      description,
+      status: status || null,
+      priority: priority || null,
+      dueDate: new Date().toISOString(),
+      assignedTo: assignedTo || null,
+      subtasks: subtasks || [],
+    };
     // 6. Add the task to the tasks array
+    tasks.push(newTask);
+
     // 7. Save to file using writeTasks()
+    await writeTasks(tasks);
+
     // 8. Send success response with status 201
+    res.status(201).json(newTask);
 
     // Temporary response - remove this when you implement the above
-    res.status(501).json({
-      success: false,
-      error:
-        "POST endpoint not implemented yet - implement task creation above",
-    });
+    // res.status(501).json({
+    //   success: false,
+    //   error:
+    //     "POST endpoint not implemented yet - implement task creation above",
+    // });
   } catch (error) {
     res.status(500).json({
       success: false,
@@ -182,19 +218,44 @@ router.put("/tasks/:id", async (req, res) => {
   try {
     // TODO: Implement task update
     // 1. Extract the task ID from req.params
+    const taskId = req.params.id;
+
     // 2. Get the update data from req.body
+    const updateData = req.body;
+    // console.log(req.body)
+
     // 3. Validate the data if status or priority is being updated
+    if ("status" in updateData && !updateData.status) {
+      return res.status(400).json({ error: "Missing required fields" });
+    }
+
+    if ("priority" in updateData && !updateData.priority) {
+      return res.status(400).json({ error: "Missing required fields" });
+    }
+
     // 4. Get all tasks and find the task by ID
+    const tasks = await getAllTasks();
+    const task = tasks.find((t) => t.id == taskId);
+
     // 5. Check if task exists, return 404 if not found
+    if (!task) {
+      return res.status(404).json({ error: "Task not found" });
+    }
+
     // 6. Update the task with new data
+    Object.assign(task, updateData);
+
     // 7. Save to file using writeTasks()
+    await writeTasks(tasks);
+
     // 8. Send success response with the updated task
+    res.status(200).json(task);
 
     // Temporary response - remove this when you implement the above
-    res.status(501).json({
-      success: false,
-      error: "PUT endpoint not implemented yet - implement task update above",
-    });
+    // res.status(501).json({
+    //   success: false,
+    //   error: "PUT endpoint not implemented yet - implement task update above",
+    // });
   } catch (error) {
     res.status(500).json({
       success: false,
@@ -209,19 +270,35 @@ router.delete("/tasks/:id", async (req, res) => {
   try {
     // TODO: Implement task deletion
     // 1. Extract the task ID from req.params
+    const deletedID = req.params.id;
+
     // 2. Get all tasks and find the task by ID
+    const tasks = await getAllTasks();
+    const index = tasks.findIndex((t) => t.id === deletedID);
+
     // 3. Check if task exists, return 404 if not found
+    if (index === -1) {
+      return res.status(404).json({ error: "Task not found" });
+    }
+
     // 4. Store the task before deletion (for response)
+    const deletedTask = tasks[index];
+
     // 5. Remove the task from the array
+    tasks.splice(index, 1);
+
     // 6. Save to file using writeTasks()
+    await writeTasks(tasks);
+
     // 7. Send success response with the deleted task
+    res.status(202).json(deletedTask);
 
     // Temporary response - remove this when you implement the above
-    res.status(501).json({
-      success: false,
-      error:
-        "DELETE endpoint not implemented yet - implement task deletion above",
-    });
+    // res.status(501).json({
+    //   success: false,
+    //   error:
+    //     "DELETE endpoint not implemented yet - implement task deletion above",
+    // });
   } catch (error) {
     res.status(500).json({
       success: false,