diff --git a/README.md b/README.md
index e478e8a..47a76d9 100644
--- a/README.md
+++ b/README.md
@@ -2,4 +2,6 @@
 
 This project is gonna be awesome!
 
-Redwanuzzaman CSE-1692
\ No newline at end of file
+Redwanuzzaman CSE-1692
+
+Saiful Islam Rasel -> CSE-17045
\ No newline at end of file
diff --git a/api/routes/customer.js b/api/routes/customer.js
new file mode 100644
index 0000000..f4fd2ed
--- /dev/null
+++ b/api/routes/customer.js
@@ -0,0 +1,63 @@
+
+ const express = require('express');
+ const router = express.Router();
+ //array declare to store all userDetails
+ const userDetailsList=[];
+ 	
+	router.post('/registration',(req, res, next) =>{
+	var userDetails ={
+		 userId: req.body.userId,
+		 userName: req.body.userName
+	 }
+	 
+	//add individual user userDetailsList array 
+	userDetailsList.push(userDetails);
+	console.log(userDetails);
+	console.log(userDetailsList);
+	
+	 res.status(201).json({
+		 message: 'Handlaing Post request to /userDetails',
+		 userDetails: userDetails
+	    });
+	});
+		
+	//get all register user
+	router.get('/getUsersList', (req, res, next) => {
+		res.status(201).json({
+			usersList: userDetailsList
+		});
+	});
+	
+	//retrieve the match user ..
+	router.get('/getUser/:userId', (req, res, next) =>{
+		var user = {};
+		for( var i = 0; i < userDetailsList.length; i++){
+			if(req.params.userId == userDetailsList[i].userId){
+			user = userDetailsList[i];
+				break;
+			}
+		}
+		
+		 res.status(200).json({
+		 message: 'userDetails',
+		 userDetail: user
+	    });
+	});
+	
+	//delete the match user from userDetailsList
+	router.delete('/deleteUser/:userId', (req, res, next)=>{
+		for( var i = 0; i < userDetailsList.length; i++){
+			if(req.params.userId == userDetailsList[i].userId){
+			    userDetailsList.splice(i,1);
+			    break;
+			}
+		}
+		res.status(201).json({
+			message: 'following id is deleted',
+			id: req.params.userId
+		});
+		
+	});
+	
+	
+ module.exports = router;
\ No newline at end of file
diff --git a/app.js b/app.js
new file mode 100644
index 0000000..1d7467b
--- /dev/null
+++ b/app.js
@@ -0,0 +1,14 @@
+ const express = require('express');
+ const app = express();
+
+ //use to parse body into incoming request //have to install it by "npm install body-parser" command
+ const bodyParser = require('body-parser');
+ //include customer.js 
+ const customerRoutes = require('./api/routes/customer');
+
+ //use to parse body into incoming request
+ app.use(bodyParser.urlencoded({extended: false}));
+ app.use(bodyParser.json());
+ app.use('/customer', customerRoutes);
+ 
+ module.exports = app;
\ No newline at end of file
diff --git a/index.js b/index.js
index 140d081..0023869 100644
--- a/index.js
+++ b/index.js
@@ -1,11 +1,47 @@
 // importing http package
-const http = require('http')
+const http = require('http');
+const express = require('express');
+const app = express();
 
+ 
+  app.get('/name/:name', (req, res) => {
+	  console.log(req.url);
+	  res.end('HI !' + req.params.name);
+	});
+	
+  app.get('/item', (req, res) =>{
+	  console.log(req.url);
+	  res.end('you are in the item page !');
+	});
+	
+  app.get('/', (req, res) =>{
+	  console.log(req.url);
+	  res.end('This is Home Page');
+	});
+ /* error Handling if bad Request */
+  app.use((req, res, next) =>{
+     const error = new Error('Not found');
+     error.status = 404;
+     next(error);
+ });
+  app.use((error, req, res, next) => {
+	 res.json({
+		error:{
+			errorMessage: error.message,
+			notice: 'plz try to access with the valid request'
+		} 
+	 });
+ });
+ const server = http.createServer(app).listen(3000);
+ console.log('Server is Running having port  ' +server.address().port);
+
+/* 	http.createServer(app).listen(3000); */
+	/* 
 // creating a basic server
 const server = http.createServer( function (req, res) {
     console.log("the req URL is: ")
     console.log(req.url)
-
+	
     // basic routing
     if (req.url == "/") {
         res.end("this is the homepage")
@@ -19,4 +55,4 @@ const server = http.createServer( function (req, res) {
 }).listen(3000, 'localhost', function() {
     console.log("the port is: ")
     console.log(server.address().port)
-})
+}) */
diff --git a/package.json b/package.json
index 4123e1b..fb7055e 100644
--- a/package.json
+++ b/package.json
@@ -15,5 +15,9 @@
   "bugs": {
     "url": "https://github.com/pcIST/API_Development/issues"
   },
-  "homepage": "https://github.com/pcIST/API_Development#readme"
+  "homepage": "https://github.com/pcIST/API_Development#readme",
+  "dependencies": {
+    "body-parser": "^1.18.3",
+    "express": "^4.16.3"
+  }
 }
diff --git a/server.js b/server.js
new file mode 100644
index 0000000..6356811
--- /dev/null
+++ b/server.js
@@ -0,0 +1,8 @@
+ // importing http package
+ const http = require('http');
+ 
+ //included app.js file in this server
+ const app = require('./app');
+ const server = http.createServer(app).listen(3000);
+ 
+ console.log('Server is Running having port  ' +server.address().port);
\ No newline at end of file