diff --git a/backend/controllers/authController.js b/backend/controllers/authController.js
index 0963014..efd87a3 100644
--- a/backend/controllers/authController.js
+++ b/backend/controllers/authController.js
@@ -1,4 +1,6 @@
 import User from '../models/User.js';
+import crypto from 'crypto'; // For generating OTP
+import nodemailer from 'nodemailer';
 import { hashPassword, comparePassword, generateToken, verifyToken, addCookie, getCookies, removeCookie } from '../utils/authFunctions.js';
 
 export const registerUser = async (req, res) => {
@@ -19,21 +21,30 @@ export const registerUser = async (req, res) => {
       return res.status(400).json({ error: 'User already exists' });
     }
 
+    const otp = crypto.randomInt(100000, 999999).toString(); // Generate OTP (6 digits)
+
     if (isGoogle == true) {
       const newUser = new User({
         name,
         email,
         phoneNumber: phoneNumber ? phoneNumber : '',
-        password: ''
+        password: '',
+        otp: otp,
+        otpExpiry: Date.now() + 3600000, // OTP expires in 1 hour
       });
 
       await newUser.save();
 
-      const token = await generateToken(newUser._id);
+      await sendOtpEmail(email, otp); // Send OTP to the user's email
 
+      const token = await generateToken(newUser._id);
       addCookie(res, 'token', token);
 
-      return res.status(201).json({ message: 'User registered successfully', userId: newUser._id , token: token });
+      return res.status(201).json({
+        message: 'User registered successfully. Please check your email for the OTP to verify your email.',
+        userId: newUser._id,
+        token: token,
+      });
     } else {
       const hashedPassword = await hashPassword(password);
 
@@ -41,23 +52,87 @@ export const registerUser = async (req, res) => {
         name,
         email,
         phoneNumber: phoneNumber ? phoneNumber : '',
-        password: hashedPassword
+        password: hashedPassword,
+        otp: otp,
+        otpExpiry: Date.now() + 3600000, // OTP expires in 1 hour
       });
 
       await newUser.save();
 
-      const token = await generateToken(newUser._id);
+      await sendOtpEmail(email, otp); // Send OTP to the user's email
 
+      const token = await generateToken(newUser._id);
       addCookie(res, 'token', token);
 
-      res.status(201).json({ message: 'User registered successfully', userId: newUser._id, token: token });
+      res.status(201).json({
+        message: 'User registered successfully. Please check your email for the OTP to verify your email.',
+        userId: newUser._id,
+        token: token,
+      });
+    }
+  } catch (error) {
+    console.error(error);
+    res.status(500).json({ error: error.message || 'Internal Server Error' });
+  }
+};
+
+const sendOtpEmail = async (userEmail, otp) => {
+  try {
+    const transporter = nodemailer.createTransport({
+      service: 'gmail', // Or use another email provider
+      auth: {
+        user: process.env.EMAIL_USER,
+        pass: process.env.EMAIL_PASS,
+      },
+    });
+
+    const mailOptions = {
+      from: process.env.EMAIL_USER,
+      to: userEmail,
+      subject: 'Email Verification - Station Sarthi',
+      text: `Your OTP for email verification is: ${otp}`,
+    };
+
+    await transporter.sendMail(mailOptions);
+  } catch (error) {
+    console.error('Error sending email:', error);
+    throw new Error('Failed to send OTP');
+  }
+};
+
+export const verifyOtp = async (req, res) => {
+  try {
+    const { email, otp } = req.body;
+
+    const user = await User.findOne({ email });
+    if (!user) {
+      return res.status(404).json({ error: 'User not found' });
     }
+
+    // Check if OTP has expired
+    if (Date.now() > user.otpExpiry) {
+      return res.status(400).json({ error: 'OTP has expired' });
+    }
+
+    // Check if OTP is correct
+    if (user.otp !== otp) {
+      return res.status(400).json({ error: 'Invalid OTP' });
+    }
+
+    // OTP is correct, mark user as verified
+    user.isVerified = true;
+    user.otp = null; // Clear OTP after verification
+    user.otpExpiry = null; // Clear OTP expiry after verification
+    await user.save();
+
+    res.status(200).json({ message: 'Email verified successfully' });
   } catch (error) {
     console.error(error);
     res.status(500).json({ error: error.message || 'Internal Server Error' });
   }
 };
 
+
 export const loginUser = async (req, res) => {
   try {
     const { email, password } = req.body;
diff --git a/backend/models/User.js b/backend/models/User.js
index ca95f98..1fa0796 100644
--- a/backend/models/User.js
+++ b/backend/models/User.js
@@ -40,6 +40,10 @@ const userSchema = new Schema({
   otpExpiry: {
     type: Date,   // The OTP expiry timestamp
     required: false,
+  },
+  isVerified: {
+    type: Boolean,
+    default: false,  // This field will be set to true once the email is verified
   }
 }, {
   timestamps: true
diff --git a/backend/routes/authRoutes.js b/backend/routes/authRoutes.js
index 8f17bc1..50b0ed4 100644
--- a/backend/routes/authRoutes.js
+++ b/backend/routes/authRoutes.js
@@ -5,6 +5,7 @@ import {
   loginUser,
   logoutUser,
   verifyUser,
+  verifyOtp,
 } from "../controllers/authController.js";
 import { createCloakroomBooking } from "../controllers/cloakroomController.js";
 import { createWheelchairBooking } from "../controllers/WheelchairController.js";
@@ -24,6 +25,8 @@ const loginLimiter = rateLimit({
 // Register route
 router.post("/register", registerUser);
 
+router.post("/verify-otp", verifyOtp);
+
 // Login route with rate limiter
 router.post("/login", loginLimiter, loginUser);