diff --git a/resources/user/userController.js b/resources/user/userController.js
index af359e2..80131af 100644
--- a/resources/user/userController.js
+++ b/resources/user/userController.js
@@ -16,6 +16,7 @@ import validator from "validator";
 import ShippingAddress from "../ShippingAddresses/ShippingAddressModel.js";
 import { generatePassword } from "../../Utils/generatepassword.js";
 import { PdOrder } from "../PD_Orders/pdOrderModal.js";
+import bcrypt from "bcryptjs";
 
 export const uploadPrincipaldistributors = async (req, res) => {
   try {
@@ -494,7 +495,75 @@ export const registerUser = async (req, res) => {
     res.status(400).json({ success: false, message: error.message });
   }
 };
+export const UpdateUser = async (req, res) => {
+  try {
+    const { name, email, phone, accessTo, role, PD_ID, SBU } = req.body;
+    const id = req.params.id;
 
+    // Check if ID is provided and valid
+    if (!id) {
+      return res.status(400).json({ success: false, message: "User ID is required" });
+    }
+
+    // Find the user by ID
+    let user = await User.findById(id);
+    if (!user) {
+      return res.status(404).json({ success: false, message: "User not found" });
+    }
+
+    // Update user details only if provided
+    user.name = name || user.name;
+    user.email = email || user.email;
+    user.phone = phone || user.phone;
+    user.role = role || user.role;
+    user.accessTo = accessTo || user.accessTo;
+    user.SBU = SBU || user.SBU;
+    user.uniqueId = PD_ID || user.uniqueId;
+
+    // Save the updated user details to the database
+    await user.save();
+
+    // If the user is a Principal Distributor, send an email
+    if (user.role === "principal-Distributor" && email) {
+      await sendEmail({
+        to: email,
+        from: process.env.SEND_EMAIL_FROM,
+        subject: `Welcome to Cheminova - Account Updated Successfully`,
+        html: `
+          <p>Dear ${name || "User"},</p>
+          <p>We are pleased to inform you that your Principal Distributor account has been successfully updated. Please find your account details below:</p>
+          <p><strong>Name:</strong> ${name || "N/A"}</p>
+          <p><strong>Mobile Number:</strong> ${phone || "N/A"}</p>
+          <p><strong>Email:</strong> ${email || "N/A"}</p>
+          <br/>
+          <p>Your password remains the same as before.</p>
+          <p>You can log in to your account using the following link:</p>
+          <p><a href="https://pd.cnapp.co.in/#/login" target="_blank" style="color: #0066cc; text-decoration: none;">Click here to log in</a></p>
+          <br/>
+          <p>For convenience, you can also download our mobile app from the following link:</p>
+          <ul>
+            <li><a href="https://drive.google.com/file/d/1GOpyyEwfbE0cMzvHHx0Fr7UOFzrQVIlp/view?usp=sharing" target="_blank" style="color: #0066cc; text-decoration: none;">Download Mobile Application</a></li>
+          </ul>
+          <br/>
+          <p>If you did not request this update or have any concerns, please contact our support team immediately.</p>
+          <br/>
+          <p>Best regards,</p>
+          <p><strong>Cheminova Support Team</strong></p>
+        `,
+      });
+    }
+
+    // Respond with success
+    res.status(200).json({
+      success: true,
+      message: "User updated successfully",
+      userId: user._id,
+    });
+  } catch (error) {
+    console.error("Error updating user:", error);
+    res.status(500).json({ success: false, message: "Internal Server Error" });
+  }
+};
 // 2.Login User
 export const loginUser = async (req, res, next) => {
   const { email, password } = req.body;
diff --git a/resources/user/userRoute.js b/resources/user/userRoute.js
index ac62581..a64381b 100644
--- a/resources/user/userRoute.js
+++ b/resources/user/userRoute.js
@@ -25,12 +25,15 @@ import {
   getAllPD,
   generatePrincipalDistributorReport,
   ResetPasswordAdmin,
+  UpdateUser,
 } from "./userController.js";
 import { isAuthenticatedUser, authorizeRoles } from "../../middlewares/auth.js";
 
 const router = express.Router();
 
 router.route("/user/register").post(registerUser);
+// Route to update a user by ID
+router.put('/user/update/:id', UpdateUser);
 
 router.route("/user/login").post(loginUser);