diff --git a/config/constant.js b/config/constant.js
index 6a7442f..4ebd31d 100644
--- a/config/constant.js
+++ b/config/constant.js
@@ -20,7 +20,7 @@ module.exports = {
     SAVE_SUCCESS: 'Requested record created successfully',
     VERIFY_EMAIL: 'Verify your email',
     VERIFIED_SUCCESSFULLY: 'Email verified successfully',
-    USER_TOKEN_EXPIRED: 'Your section is expired, Login again',
+    USER_TOKEN_EXPIRED: 'Your session is expired, Login again',
     USER_TOKEN_NOTFOUND: 'You are not logged in, Login now',
     LOGIN_LIMIT_REACHED: 'Too many login request, try after some time!',
     UNAUTHORIZED_REQUEST: 'Unauthorized request !',
@@ -57,6 +57,9 @@ module.exports = {
     PROPERTY_ADDIMAGE_LIMIT_EXCEED:"Property Images Limit Exceed !",
     NO_PROPERTY_IMAGE_SELECTED: "No Image Selected !",
 
+    //User Update
+    INVALID_PHONE:"Invalid Phone Number!",
+
     PLANS: {
         "PREMIUMTENANT": {
             type: "PREMIUMTENANT",
@@ -82,5 +85,6 @@ module.exports = {
         }
     },
     PROPERTY_TYPE: ['ROOM', 'HOUSE', 'FLAT', 'COMMERCIAL_SPACE'],
-    OFFER_TYPE: ['RENT','SELL']
+    OFFER_TYPE: ['RENT','SELL'],
+    PHONE_REGEX : /^\d{10}$/
 }
\ No newline at end of file
diff --git a/controllers/user.ctl.js b/controllers/user.ctl.js
index d59075f..147d146 100644
--- a/controllers/user.ctl.js
+++ b/controllers/user.ctl.js
@@ -48,5 +48,70 @@ userControllers.getUserDocuments = async (req, res) => {
     }
 }
 
+userControllers.updateUserDetails = async (req, res) => {
+    try {
+        // Update User Details
+        const userId = req.user.id;
+        const userRole = req.user.role;
+
+        // Get phone_no, address, username from the request body
+        const { username, phone_no, address } = req.body;
+
+        // Validating at least one field to update
+        if (!username && !phone_no && !address) {
+            return res.status(Constant.BAD_REQUEST).json({
+                code: Constant.BAD_REQUEST,
+                message: Constant.REQUEST_BAD_REQUEST
+            });
+        }
+
+        // Validate phone_no format 
+        if (phone_no && !Constant.PHONE_REGEX.test(phone_no)) {
+            return res.status(Constant.BAD_REQUEST).json({
+                code: Constant.BAD_REQUEST,
+                message: Constant.INVALID_PHONE
+            });
+        }
+
+        // Constructing the update object based on the updated fields
+        const updateObject = {};
+        if (username) updateObject.username = username;
+        if (phone_no) updateObject.phone_no = phone_no;
+        if (address) updateObject.address = address;
+
+        let user;
+        // Updating user details based on the user's role
+        if (userRole === 'TENANT') {
+            // If tenant
+            user = await db.tenant.findOne({ where: { id: userId } });
+            if (user) {
+                // Update user details
+                await db.tenant.update(updateObject, { where: { id: userId } });
+                user = await db.tenant.findOne({ where: { id: userId } });
+            }
+        } else if (userRole === 'LANDLORD') {
+            // If landlord
+            user = await db.landlord.findOne({ where: { id: userId } });
+            if (user) {
+                // Update user details
+                await db.landlord.update(updateObject, { where: { id: userId } });
+                user = await db.landlord.findOne({ where: { id: userId } });
+            }
+        }
+
+        //If user details updated successfully
+        return res.status(Constant.SUCCESS_CODE).json({
+            code: Constant.SUCCESS_CODE,
+            message: Constant.UPDATE_SUCCESS,
+        });
+
+    } catch (error) {
+        return res.status(Constant.SERVER_ERROR).json({
+            code: Constant.SERVER_ERROR,
+            message: Constant.SOMETHING_WENT_WRONG
+        });
+    }
+};
+
 
 module.exports = userControllers;
\ No newline at end of file
diff --git a/routes/user.js b/routes/user.js
index 5bbe4c6..59a8e26 100644
--- a/routes/user.js
+++ b/routes/user.js
@@ -5,5 +5,6 @@ const rateLimiter = require("../middileware/rate-limit");
 const auth = require("../middileware/auth");
 
 router.get("/documents", rateLimiter.commonOperationsRouteRateLimiter, auth.checkAuthentication, userControllers.getUserDocuments);
+router.post("/details", rateLimiter.commonOperationsRouteRateLimiter, auth.checkAuthentication, userControllers.updateUserDetails);
 
 module.exports = router;
\ No newline at end of file