diff --git a/app.js b/app.js
index c3b4e48..ca5c804 100644
--- a/app.js
+++ b/app.js
@@ -1,3 +1,4 @@
+
 const express = require("express");
 const mongoose = require("mongoose");
 const bodyparser = require("body-parser");
@@ -9,6 +10,21 @@ const adminRoute = require("./routes/admin");
 const port = process.env.PORT || 5000;
 
 const cors = require("cors");
+
+const express = require('express') ;
+const mongoose = require('mongoose') ;
+const bodyparser = require('body-parser') ;
+const authRoute = require('./routes/auth') ;
+const profileRoute = require('./routes/profile') ;
+const paymentRoute = require('./routes/payment') ;
+const courseRoute = require('./routes/course') ;
+const adminRoute = require('./routes/admin') ;
+const couponRoute = require('./routes/Coupon') ;
+const queryRoute = require('./routes/query') ;
+const port=process.env.PORT || 5000;
+
+const cors = require('cors') ;
+
 //const passport = require('passport');
 //const cookieSession = require('cookie-session') ;
 //require('./passport-setup') ;
@@ -74,6 +90,7 @@ require("./models/Coupon");
 //     req.logout() ;
 //     res.redirect('/') ;
 // })
+
 app.use(require("./routes/Coupon"));
 app.use(authRoute);
 
@@ -98,5 +115,29 @@ mongoose
     });
   })
   .catch((err) => {
+
+
+app.use(authRoute) ;
+
+app.use(profileRoute) ;
+
+app.use(paymentRoute) ;
+
+app.use(courseRoute) ;
+
+app.use(adminRoute) ;
+
+app.use(couponRoute) ;
+
+app.use(queryRoute) ;
+ 
+mongoose.connect(MONGO_URI, { useNewUrlParser: true,  useUnifiedTopology: true ,useFindAndModify:false}).
+then(result => {
+    console.log('connected');
+    app.listen(port,()=>{
+        console.log("server is running on port",port);
+    }) ;
+})
+.catch(err => {
     console.log(err);
   });
diff --git a/controllers/auth.js b/controllers/auth.js
index d9b71a4..75289d9 100644
--- a/controllers/auth.js
+++ b/controllers/auth.js
@@ -78,6 +78,7 @@ module.exports.postSignin = async (req, res, next) => {
   }
 };
 
+
 module.exports.sendOTP = (req, res, next) => {
   //uNNYosMopvvCW9RTR1tRWJmYC test
   //llVKD53ve6QRpbCKOHzWBADaS live
@@ -89,6 +90,43 @@ module.exports.sendOTP = (req, res, next) => {
     } else {
       messagebird.verify.create(
         phoneNumber,
+
+module.exports.postSignin = async (req , res , next) => {
+    try
+    {
+        //we need email and password as input  
+        let email = req.body.email ;
+        let password = req.body.password ;
+        let user = await User.findOne({email : email}) ;
+        if(user)
+        {
+            const isMatched = await bcrypt.compare(password , user.password) ;
+            if(isMatched)
+            {
+                const token = jwt.sign({_id:user._id},JWT_secret)
+                if(!user.numLoggedIn)
+                {
+                    user.numLoggedIn = 0 ;
+                }
+                user.numLoggedIn = user.numLoggedIn + 1 ; 
+                res.json(
+                    {
+                        token:token ,
+                        isAdmin : user.isAdmin
+                    }
+                    )
+                await user.save() ;
+            }
+            else
+            {
+                res.json({
+                    message:"email and password doesn't match" ,
+                    type:"error"
+                })
+            }
+        }
+        else
+
         {
           template: "Your verification code is %token",
         },
diff --git a/controllers/coupon.js b/controllers/coupon.js
new file mode 100644
index 0000000..2220624
--- /dev/null
+++ b/controllers/coupon.js
@@ -0,0 +1,64 @@
+const Coupon = require("../models/Coupon");
+
+module.exports.getAllCoupons = async (req , res , next) => {
+    try
+    {
+        const coupons = await Coupon.find() ;
+        console.log(coupons) ;
+        res.json({
+            coupons : coupons
+        }) ;
+    }
+    catch(err)
+    {
+        console.log(err) ;
+    }
+}
+
+module.exports.addCoupon = async (req , res , next) => {
+    try
+    {
+        const couponCode = req.body.couponCode ;
+        const percentage = req.body.percentage ;
+        const numAllowed = req.body.numAllowed ;
+        
+        let coupon = await Coupon.findOne({couponCode : couponCode}) ;
+        if(coupon)
+        {
+            res.json({
+                error:"coupon already Exist"
+            })
+        }
+        else
+        {
+            let coupon = new Coupon({
+                couponCode : couponCode ,
+                percentage : percentage ,
+                numAllowed : numAllowed
+            }) ;
+            coupon = await coupon.save() ;
+            res.json({
+                message: "Created Successfully"
+            })
+        }
+    }
+    catch(err)
+    {
+        console.log(err);
+    }
+}
+
+module.exports.deleteCoupon = async (req , res, next) => {
+    try
+    {
+        const couponCode = req.body.couponCode ;
+        await Coupon.deleteOne({couponCode : couponCode}) ;
+        res.json({
+            message: "Deleted Successfully"
+        })
+    }
+    catch(err)
+    {
+        console.log(err);
+    }
+}
\ No newline at end of file
diff --git a/controllers/course.js b/controllers/course.js
index b4b8317..9840e17 100644
--- a/controllers/course.js
+++ b/controllers/course.js
@@ -1,5 +1,6 @@
 const Course = require('../models/Course') ;
 const CourseType = require('../models/CourseType') ;
+const User = require('../models/User') ;
 
 module.exports.postAddCourse = async (req , res , next) => {
     try
@@ -8,6 +9,7 @@ module.exports.postAddCourse = async (req , res , next) => {
         let name = req.body.name ;
         let mentor = req.body.mentor ;
         let totalLectures = req.body.totalLectures ;
+        let route = req.body.route
         if(name)
         {
             name = name.trim() ;
@@ -16,6 +18,10 @@ module.exports.postAddCourse = async (req , res , next) => {
         {
             mentor = mentor.trim() ;
         }
+        if(route)
+        {
+            route = route.trim() ;
+        }
         if(totalLectures)
         {
             totalLectures = Number(totalLectures) ;
@@ -24,7 +30,8 @@ module.exports.postAddCourse = async (req , res , next) => {
         let course = new Course({
             name : name ,
             mentor : mentor ,
-            totalLectures : totalLectures
+            totalLectures : totalLectures ,
+            route : route
         }) ; ;
 
         course = await course.save() ;
@@ -147,3 +154,46 @@ module.exports.getTierCourse = async (req , res , next) => {
         })
     }
 }
+
+module.exports.getFromRoute = async (req , res , next) => {
+    try{
+        const route = req.query.route ;
+        const course = await Course.findOne({route :route}).populate("types.tier1").populate("types.tier2").populate("types.tier3") ;
+        console.log(course);
+        res.json({
+            course : course
+        })
+    }
+    catch(err)
+    {
+        res.json({
+            error : "error" 
+        })
+    }
+}
+
+module.exports.addClick = async (req , res , next) => {
+    try
+    {
+        const route = req.body.route ;
+        const userId = req.user._id ;
+        let user = await User.findById(userId) ;
+        let clicked = {...user.clicked} ;
+        if(!clicked[route])
+        {
+            clicked[route] = 0 ;
+        }
+        clicked[route] = clicked[route] + 1 ;
+        user.clicked = clicked ;
+        await user.save() ;
+        res.json({
+            data : "added click"
+        }) ;
+    }
+    catch(err)
+    {
+        res.json({
+            error : err 
+        })
+    }
+}
\ No newline at end of file
diff --git a/controllers/payment.js b/controllers/payment.js
index 7c0210d..394a24f 100644
--- a/controllers/payment.js
+++ b/controllers/payment.js
@@ -3,7 +3,9 @@ const Order = require('../models/Order') ;
 const User = require('../models/User') ;
 const CourseType = require('../models/CourseType') ;
 const Course = require('../models/Course') ;
-const Student = require('../models/Student');
+const Student = require('../models/Student') ;
+const Coupon = require('../models/Coupon') ;
+const { getAllCoupons } = require('./coupon');
 
 //test credentials of razorpay
 const instance = new razorpay({
@@ -103,7 +105,8 @@ module.exports.postRazorpay = async (req , res , next) => {
         //this route will be called after clicking the payment
 
         //here this is the id of courseType
-        const courseId = req.body.courseId || "6074201a4f355c3e4830dfe0" ;
+        const courseId = req.body.courseId  ;
+        const couponCode = req.body.couponCode ;
         const userId = req.user._id ;
         let user = await User.findById(userId) ;
         let student =await Student.findById(user.student) ;
@@ -113,6 +116,13 @@ module.exports.postRazorpay = async (req , res , next) => {
         //we are creating a new order associated to it
         //we are setting the paymentSuccess to be false
 
+        let discount = 0 ;
+
+        let coupon = await Coupon.findOne({couponCode : couponCode}) ;
+        if(coupon && coupon.numAllowed > 0)
+        {
+            discount = coupon.percentage ;
+        }
 
         let ind = -1 ;
         //checking whether user has already bought this course or not
@@ -134,7 +144,11 @@ module.exports.postRazorpay = async (req , res , next) => {
             const payment_capture = 1 ;
     
             //setting the amount according to the course
-            const amount = Number(course.amount)  ;
+            let amount = Number(course.amount)  ;
+
+            amount = amount - amount*discount/100 ;
+
+            amount = Math.ceil(amount) ;
         
             const options = {amount : (amount*100).toString()
                 , currency : "INR"
@@ -155,6 +169,11 @@ module.exports.postRazorpay = async (req , res , next) => {
                 email:user.email ,
                 receipt : response.receipt
             });
+            if(coupon && coupon.numAllowed > 0)
+            {
+                coupon.numAllowed = coupon.numAllowed - 1 ;
+                await coupon.save() ;
+            }
         }
         else
         {
diff --git a/controllers/query.js b/controllers/query.js
new file mode 100644
index 0000000..8dc4c39
--- /dev/null
+++ b/controllers/query.js
@@ -0,0 +1,93 @@
+const Query = require('../models/query') ;
+
+module.exports.addQuery = async (req , res , next)=> {
+    try
+    {
+        let fullName = req.body.fullName || " " ;
+        let phoneNumber = req.body.phoneNumber ;
+        let email = req.body.email ;
+        let query = req.body.query || " " ;
+        let other = req.body.other || false ;
+        let graduationYear = req.body.graduationYear ;
+        let queryModel = await Query.findOne({email:email , query:query}) ;
+        if(queryModel)
+        {
+            if(!queryModel.numAsked)
+            {
+                queryModel.numAsked = 0 ;
+            }
+
+            queryModel.numAsked = queryModel.numAsked + 1 ;
+            await queryModel.save() ;
+        }
+        else
+        {
+            queryModel = new Query ({
+                fullName : fullName ,
+                phoneNumber : phoneNumber ,
+                email : email,
+                query : query ,
+                numAsked : 1 ,
+                graduationYear : graduationYear ,
+                other : other
+            }) ;
+            await queryModel.save() ;
+        }
+        res.json({
+            message : "Saved Query"
+        }) ;
+
+    }
+    catch(err)
+    {
+        res.json({
+            error : err
+        }) ;
+    }
+}
+
+module.exports.getQueries = async (req , res , next) => {
+    try
+    {
+        const queries = await Query.find() ;
+        res.json({
+            queries : queries
+        })
+    }
+    catch(err)
+    {
+        res.json({
+            error : err
+        })
+    }
+}
+
+module.exports.getOtherQueries = async (req , res , next) => {
+    try{
+        const queries = await Query.find({other : true}) ;
+        res.json({
+            queries : queries
+        })
+    }
+    catch(err){
+        res.json({
+            error : err
+        })
+    }
+}
+
+module.exports.getTypeQueries = async (req , res , next) => {
+    try{
+        const type = req.body.type ;
+        const queries = await Query.find({type:type}) ;
+        res.json({
+            queries : queries
+        })
+    }
+    catch(err)
+    {
+        res.json({
+            error:err
+        })
+    }
+}
\ No newline at end of file
diff --git a/models/Coupon.js b/models/Coupon.js
index a68a548..20e4fb9 100644
--- a/models/Coupon.js
+++ b/models/Coupon.js
@@ -1,16 +1,29 @@
 const mongoose=require('mongoose')
 const CouponSchema=new mongoose.Schema({
+
     coupon_code:{
+
+    couponCode:{
+
         type:String,
         required:true
     },
     percentage:{
+
         type:String,
         required:true
     },
     remainingTimes:{
         type:Number
+
+        type:Number ,
+        required:true
+    },
+    numAllowed:{
+        type:Number ,
+        required:true
+
     }
 })
 
-module.exports=mongoose.model("Coupon",CouponSchema)
\ No newline at end of file
+module.exports = mongoose.model('Coupon' , CouponSchema) ;
\ No newline at end of file
diff --git a/models/Course.js b/models/Course.js
index 7a3f328..c37b7e9 100644
--- a/models/Course.js
+++ b/models/Course.js
@@ -15,6 +15,10 @@ const courseSchema = new Schema({
         type : Number ,
         required : true 
     } ,
+    route: {
+        type : String , 
+        required : true 
+    } ,
     meetings : [
         {
             startTime : {
diff --git a/models/User.js b/models/User.js
index a9efe6e..db9528a 100644
--- a/models/User.js
+++ b/models/User.js
@@ -3,6 +3,7 @@ const crypto = require("crypto");
 const Schema = mongoose.Schema;
 
 const userSchema = new Schema({
+
   firstName: {
     type: String,
     required: true,
@@ -36,4 +37,39 @@ const userSchema = new Schema({
   //need to add isAdmin
 });
 
+    firstName : {
+        type :String ,
+        required : true 
+    } ,
+    lastName : {
+        type:String ,
+        required: true
+    } ,
+    email : {
+        type:String , 
+        required: true 
+    } ,
+    password : {
+        type : String 
+    } ,
+    googleId : {
+        type : String
+    } ,
+    student : {
+        type : mongoose.Types.ObjectId ,
+        ref: 'Student'
+    } ,
+    isAdmin : {
+        type : Boolean 
+    } ,
+    numLoggedIn : {
+        type : Number
+    } ,
+    clicked : {
+        type : Object
+    }
+    //need to add isAdmin 
+}) ;
+
+
 module.exports = mongoose.model("User", userSchema);
diff --git a/models/query.js b/models/query.js
new file mode 100644
index 0000000..1da09ba
--- /dev/null
+++ b/models/query.js
@@ -0,0 +1,36 @@
+const mongoose = require('mongoose') ;
+
+const Schema = mongoose.Schema ;
+
+const querySchema = new Schema({
+    fullName : {
+        type :String ,
+        required : true 
+    } ,
+    phoneNumber : {
+        type : String , 
+        required : true 
+    } ,
+    email : {
+        type:String , 
+        required: true 
+    } ,
+    query : {
+        type:String ,
+        required : true 
+    } ,
+    numAsked : {
+        type:Number ,
+        required : true 
+    } ,
+    other : {
+        type : Boolean ,
+        require : true
+    } ,
+    graduationYear : {
+        type : Number ,
+        required :true
+    }
+}) ;
+
+module.exports = mongoose.model('Query' , querySchema) ;
\ No newline at end of file
diff --git a/routes/Coupon.js b/routes/Coupon.js
index 36980c3..7241a15 100644
--- a/routes/Coupon.js
+++ b/routes/Coupon.js
@@ -1,14 +1,11 @@
 const express = require("express");
-const router = express.Router();
-const mongoose = require("mongoose");
-const Coupon = mongoose.model("Coupon");
+const couponController = require('../controllers/coupon') ;
+
+const isAuth = require('../middleware/requirelogin') ;
+const isAdmin = require('../middleware/isAdmin') ;
+
+const router = express.Router();
 
-router.get("/get-coupon", (req, res) => {
-  Coupon.find().then((result) => {
-    res.status(200).json({ coupon: result });
-    console.log(result);
-  });
-});
 
 router.post("/set-coupon", (req, res) => {
   const { percentage, coupon_code ,remainingTimes} = req.body;
@@ -25,29 +22,12 @@ router.post("/set-coupon", (req, res) => {
   });
   }
 });
+=======
+router.get("/getAllCoupons",isAuth , isAdmin , couponController.getAllCoupons);
 
-router.delete("/delete-coupon", (req, res) => {
-  Coupon.remove({ _id: req.body.id }).then((result) => {
-    res.status(200).json({ message: "Coupon Deleted" });
-  });
-});
 
-router.put("/update-coupon", (req, res) => {
-    const {coupon_code,percentage} =req.body;
-  Coupon.findByIdAndUpdate(
-    req.body._id,
-    {
-      $set: {
-       coupon_code,percentage
-      }
-    },
-    { new: true })
-    .then((result) => {
-      res.status(200).json({ message: result });
-    })
-    .catch((err) => {
-      console.log(err);
-    });
-});
+router.post("/addCoupon", isAuth , isAdmin ,couponController.addCoupon);
+
+router.post("/deleteCoupon", isAuth , isAdmin ,couponController.deleteCoupon);
 
 module.exports = router;
diff --git a/routes/course.js b/routes/course.js
index afb025b..f763e05 100644
--- a/routes/course.js
+++ b/routes/course.js
@@ -19,4 +19,8 @@ router.post('/getTierCourse' , courseController.getTierCourse) ;
 //It is a post request
 router.post('/getMeetSchedule' ,isAuth , courseController.getMeetSchedule) ;
 
+router.get('/getFromRoute' , courseController.getFromRoute) ;
+
+router.post('/addClick' , isAuth , courseController.addClick) ;
+
 module.exports = router ;
\ No newline at end of file
diff --git a/routes/query.js b/routes/query.js
new file mode 100644
index 0000000..9ad8e51
--- /dev/null
+++ b/routes/query.js
@@ -0,0 +1,15 @@
+const express = require('express') ;
+
+const queryController = require('../controllers/query') ;
+
+const router = express.Router() ;
+
+router.post('/addQuery' , queryController.addQuery) ;
+
+router.get('/getAllQueries' , queryController.getQueries) ;
+
+router.get('/getOtherQueries' , queryController.getOtherQueries) ;
+
+router.post('/getTypeQueries' , queryController.getTypeQueries) ;
+ 
+module.exports = router ;
\ No newline at end of file