diff --git a/API/config/database.js b/API/config/database.js
new file mode 100644
index 0000000..acd7230
--- /dev/null
+++ b/API/config/database.js
@@ -0,0 +1,10 @@
+module.exports = {
+  hrPool: {
+    user: "system",
+    password: "shukhu",
+    connectString: "localhost:1521/xe",
+    poolMin: 10,
+    poolMax: 10,
+    poolIncrement: 0
+  }
+};
\ No newline at end of file
diff --git a/API/config/web-server.js b/API/config/web-server.js
new file mode 100644
index 0000000..98827b8
--- /dev/null
+++ b/API/config/web-server.js
@@ -0,0 +1,3 @@
+module.exports = {
+port : process.env.HTTP_PORT || 3000
+};
\ No newline at end of file
diff --git a/API/controllers/add.js b/API/controllers/add.js
new file mode 100644
index 0000000..41f3365
--- /dev/null
+++ b/API/controllers/add.js
@@ -0,0 +1,27 @@
+const users = require('../db_apis/add.js');
+function getUserFromRec(req) {
+  const user = {
+    name: req.body.name,
+    email: req.body.email,
+    password: req.body.password,
+    contact: req.body.contact,
+    city: req.body.city,
+    address: req.body.address
+  };
+ 
+  return user;
+}
+ 
+async function post(req, res, next) {
+  try {
+      
+   let user = getUserFromRec(req);
+   user = await users.create(user);
+ 
+    res.status(201).json(user);
+  } catch (err) {
+    next(err);
+  }
+}
+ 
+module.exports.post = post;
\ No newline at end of file
diff --git a/API/controllers/change.js b/API/controllers/change.js
new file mode 100644
index 0000000..e9ac078
--- /dev/null
+++ b/API/controllers/change.js
@@ -0,0 +1,28 @@
+const change = require('../db_apis/change.js');
+ 
+async function put(req, res, next) {
+  try {
+    const context = {};
+
+    context.id = parseInt(req.params.id, 10);
+ 
+   
+ 
+    if (req.params.id) {
+         const rows = await change.put(context.id,req.body.password);
+      if (rows===1) {
+
+        res.status(200).end();
+
+      } else {
+        res.status(404).end();
+      }
+    } else {
+      res.status(400).end();
+    }
+  } catch (err) {
+    next(err);
+  }
+}
+ 
+module.exports.put = put;
\ No newline at end of file
diff --git a/API/controllers/del.js b/API/controllers/del.js
new file mode 100644
index 0000000..beca97b
--- /dev/null
+++ b/API/controllers/del.js
@@ -0,0 +1,16 @@
+const users = require('../db_apis/del.js');
+ 
+async function del(req, res, next) {
+  try {
+    const id = parseInt(req.params.id, 10);
+    const success = await users.delete(id);
+    if (success) {
+      res.status(204).end();
+    } else {
+      res.status(404).end();
+    }
+  } catch (err) {
+    next(err);
+  }
+}
+module.exports.delete = del;
\ No newline at end of file
diff --git a/API/controllers/search.js b/API/controllers/search.js
new file mode 100644
index 0000000..1b22f08
--- /dev/null
+++ b/API/controllers/search.js
@@ -0,0 +1,26 @@
+const users = require('../db_apis/search.js');
+ 
+async function get(req, res, next) {
+  try {
+    const context = {};
+
+    context.tag = req.params.tag;
+ 
+    const rows = await users.find(context);
+ 
+    if (req.params.tag) {
+      if (rows.length > 0) {
+        res.status(200).json(rows);
+
+      } else {
+         res.status(404).end();
+      }
+    } else {
+     res.status(404).end();
+    }
+  } catch (err) {
+    next(err);
+  }
+}
+ 
+module.exports.get = get
\ No newline at end of file
diff --git a/API/controllers/users.js b/API/controllers/users.js
new file mode 100644
index 0000000..517f76b
--- /dev/null
+++ b/API/controllers/users.js
@@ -0,0 +1,26 @@
+const users = require('../db_apis/users.js');
+ 
+async function get(req, res, next) {
+  try {
+    const context = {};
+
+    context.id = parseInt(req.params.id, 10);
+ 
+    const rows = await users.find(context);
+ 
+    if (req.params.id) {
+      if (rows.length === 1) {
+        res.status(200).json(rows[0]);
+
+      } else {
+        res.status(404).end();
+      }
+    } else {
+      res.status(200).json(rows);
+    }
+  } catch (err) {
+    next(err);
+  }
+}
+ 
+module.exports.get = get
\ No newline at end of file
diff --git a/API/db_apis/add.js b/API/db_apis/add.js
new file mode 100644
index 0000000..4a82a3c
--- /dev/null
+++ b/API/db_apis/add.js
@@ -0,0 +1,38 @@
+const database = require('../services/database.js');
+const oracledb = require('oracledb');
+const createSql =
+ `insert into users (
+    id,
+    name,
+    email,
+    password,
+    contact,
+    city,
+    address
+  ) values (
+    :user_id,
+    :name,
+    :email,
+    :password,
+    :contact,
+    :city,
+    :address
+  )`;
+ 
+async function create(id) {
+  const user = Object.assign({}, id);
+  var query = "SELECT id FROM users order by id desc";
+  var res = await database.simpleExecute(query);
+  
+ user.user_id=1;
+ if(res.rows.length>0)
+  user.user_id += res.rows[0].ID;
+  const result = await database.simpleExecute(createSql, user);
+
+ 
+   return user.user_id;
+ 
+ 
+}
+ 
+module.exports.create = create;
\ No newline at end of file
diff --git a/API/db_apis/change.js b/API/db_apis/change.js
new file mode 100644
index 0000000..872545d
--- /dev/null
+++ b/API/db_apis/change.js
@@ -0,0 +1,25 @@
+
+const database = require('../services/database.js');
+ 
+let baseQuery = 
+  `update  users set password = :pass
+    where id = :user_id`;
+ 
+
+async function put(id,password) {
+  const binds = {
+
+  };
+    binds.user_id=id;
+   
+let query = `select * from users
+    where id = :user_id`;
+var result = await database.simpleExecute(query, binds);
+if(result.rows.length === 1)
+{
+     binds.pass=password;
+     const result1 = await database.simpleExecute(baseQuery, binds);
+    return 1;}
+else
+  return 0;}
+module.exports.put = put;
diff --git a/API/db_apis/del.js b/API/db_apis/del.js
new file mode 100644
index 0000000..d96728e
--- /dev/null
+++ b/API/db_apis/del.js
@@ -0,0 +1,24 @@
+
+const database = require('../services/database.js');
+ 
+let baseQuery = 
+  `delete from users
+    where id = :user_id`;
+ 
+
+async function del(id) {
+  const binds = {
+
+  };
+    binds.user_id=id; 
+let query = `select * from users
+    where id = :user_id`;
+const result = await database.simpleExecute(query, binds);
+if(result.rows.length === 1)
+{
+  const result1 = await database.simpleExecute(baseQuery, binds);
+  return 1;
+}
+else
+  return 0;}
+module.exports.delete = del;
\ No newline at end of file
diff --git a/API/db_apis/search.js b/API/db_apis/search.js
new file mode 100644
index 0000000..386f202
--- /dev/null
+++ b/API/db_apis/search.js
@@ -0,0 +1,26 @@
+
+const database = require('../services/database.js');
+ 
+
+ 
+async function find(context) {
+  
+	 const binds = {};
+  
+    let user_tag ="'"+context.tag+"'";
+    binds.user_id=context.tag;
+ 
+    const baseQuery = 
+ `select *
+  from users`;
+ let query = baseQuery;
+    query += '\nwhere name = '+ user_tag + ' or city = '+ user_tag + ' or email = '+ user_tag + 'or address = '+ user_tag + ' or contact = '+ user_tag;
+  
+ 
+ 
+  const result = await database.simpleExecute(query);
+ 
+  return result.rows;
+}
+ 
+module.exports.find = find;
\ No newline at end of file
diff --git a/API/db_apis/users.js b/API/db_apis/users.js
new file mode 100644
index 0000000..4c32a2b
--- /dev/null
+++ b/API/db_apis/users.js
@@ -0,0 +1,23 @@
+
+const database = require('../services/database.js');
+ 
+const baseQuery = 
+ `select *
+  from users`;
+ 
+async function find(context) {
+  let query = baseQuery;
+	 const binds = {};
+  if (context.id) {
+    binds.user_id = context.id;
+ 
+    query += `\nwhere id = :user_id`;
+  }
+ 
+ 
+  const result = await database.simpleExecute(query,binds);
+ 
+  return result.rows;
+}
+ 
+module.exports.find = find;
\ No newline at end of file
diff --git a/API/index.js b/API/index.js
new file mode 100644
index 0000000..036f54f
--- /dev/null
+++ b/API/index.js
@@ -0,0 +1,83 @@
+const webServer = require('./services/web-server.js');
+const database = require('./services/database.js');
+const dbConfig = require('./config/database.js');
+const defaultThreadPoolSize = 4;
+ 
+// Increase thread pool size by poolMax
+process.env.UV_THREADPOOL_SIZE = dbConfig.hrPool.poolMax + defaultThreadPoolSize;
+ 
+async function startup() {
+  console.log('Starting application');
+ 
+  try {
+    console.log('Initializing web server module');
+ 
+    await webServer.initialize();
+  } catch (err) {
+    console.error(err);
+ 
+    process.exit(1); // Non-zero failure code
+  }
+try {
+    console.log('Initializing database module');
+ 
+ database.initialize(); 
+  } catch (err) {
+    console.error(err);
+ 
+    process.exit(1); // Non-zero failure code
+  }
+}
+ 
+startup();
+async function shutdown(e) {
+  let err = e;
+    
+  console.log('Shutting down');
+ 
+  try {
+    console.log('Closing web server module');
+ 
+    await webServer.close();
+  } catch (e) {
+    console.log('Encountered error', e);
+ 
+    err = err || e;
+  }
+ try {
+    console.log('Closing database module');
+ 
+    await database.close(); 
+  } catch (err) {
+    console.log('Encountered error', e);
+ 
+    err = err || e;
+  }
+ 
+  console.log('Exiting process');
+ 
+  if (err) {
+    process.exit(1); // Non-zero failure code
+  } else {
+    process.exit(0);
+  }
+}
+ 
+process.on('SIGTERM', () => {
+  console.log('Received SIGTERM');
+ 
+  shutdown();
+});
+ 
+process.on('SIGINT', () => {
+  console.log('Received SIGINT');
+ 
+  shutdown();
+});
+ 
+process.on('uncaughtException', err => {
+  console.log('Uncaught exception');
+  console.error(err);
+ 
+  shutdown(err);
+});
\ No newline at end of file
diff --git a/API/package-lock.json b/API/package-lock.json
new file mode 100644
index 0000000..6feb052
--- /dev/null
+++ b/API/package-lock.json
@@ -0,0 +1,420 @@
+{
+  "name": "app",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "accepts": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
+      "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
+      "requires": {
+        "mime-types": "~2.1.18",
+        "negotiator": "0.6.1"
+      }
+    },
+    "array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+    },
+    "basic-auth": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
+      "integrity": "sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==",
+      "requires": {
+        "safe-buffer": "5.1.2"
+      }
+    },
+    "body-parser": {
+      "version": "1.18.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
+      "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
+      "requires": {
+        "bytes": "3.0.0",
+        "content-type": "~1.0.4",
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "http-errors": "~1.6.3",
+        "iconv-lite": "0.4.23",
+        "on-finished": "~2.3.0",
+        "qs": "6.5.2",
+        "raw-body": "2.3.3",
+        "type-is": "~1.6.16"
+      }
+    },
+    "bytes": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
+      "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
+    },
+    "connect": {
+      "version": "3.6.6",
+      "resolved": "https://registry.npmjs.org/connect/-/connect-3.6.6.tgz",
+      "integrity": "sha1-Ce/2xVr3I24TcTWnJXSFi2eG9SQ=",
+      "requires": {
+        "debug": "2.6.9",
+        "finalhandler": "1.1.0",
+        "parseurl": "~1.3.2",
+        "utils-merge": "1.0.1"
+      },
+      "dependencies": {
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+          "version": "1.1.0",
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+          }
+        },
+        "statuses": {
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+          "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
+        }
+      }
+    },
+    "content-disposition": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
+      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
+    },
+    "content-type": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
+      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
+    },
+    "cookie": {
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+      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
+    },
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+      "requires": {
+        "ms": "2.0.0"
+      }
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+    "depd": {
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+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
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+      "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
+      "integrity": "sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==",
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+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "fresh": "0.5.2",
+        "http-errors": "~1.6.2",
+        "mime": "1.4.1",
+        "ms": "2.0.0",
+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.0",
+        "statuses": "~1.4.0"
+      }
+    },
+    "serve-static": {
+      "version": "1.13.2",
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+      "requires": {
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.2",
+        "send": "0.16.2"
+      }
+    },
+    "setprototypeof": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
+      "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ=="
+    },
+    "statuses": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
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+    },
+    "type-is": {
+      "version": "1.6.16",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
+      "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
+      "requires": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.18"
+      }
+    },
+    "unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+    },
+    "utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+    },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    }
+  }
+}
diff --git a/API/package.json b/API/package.json
new file mode 100644
index 0000000..02277cc
--- /dev/null
+++ b/API/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "app",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "body-parser": "^1.18.3",
+    "connect": "^3.6.6",
+    "express": "^4.16.4",
+    "morgan": "^1.9.1",
+    "oracledb": "^3.1.1"
+  }
+}
diff --git a/API/services/database.js b/API/services/database.js
new file mode 100644
index 0000000..2853bd0
--- /dev/null
+++ b/API/services/database.js
@@ -0,0 +1,41 @@
+const oracledb = require('oracledb');
+const dbConfig = require('../config/database.js');
+ 
+async function initialize() {
+  const pool = await oracledb.createPool(dbConfig.hrPool);
+}
+ 
+module.exports.initialize = initialize;
+async function close() {
+  await oracledb.getPool().close();
+}
+ 
+module.exports.close = close;
+function simpleExecute(statement, binds = [], opts = {}) {
+  return new Promise(async (resolve, reject) => {
+    let conn;
+ 
+    opts.outFormat = oracledb.OBJECT;
+    opts.autoCommit = true;
+ 
+    try {
+      conn = await oracledb.getConnection();
+ 
+      const result = await conn.execute(statement, binds, opts);
+ 
+      resolve(result);
+    } catch (err) {
+      reject(err);
+    } finally {
+      if (conn) { // conn assignment worked, need to close
+        try {
+          await conn.close();
+        } catch (err) {
+          console.log(err);
+        }
+      }
+    }
+  });
+}
+ 
+module.exports.simpleExecute = simpleExecute;
\ No newline at end of file
diff --git a/API/services/router.js b/API/services/router.js
new file mode 100644
index 0000000..197bced
--- /dev/null
+++ b/API/services/router.js
@@ -0,0 +1,21 @@
+const express = require('express');
+const router = new express.Router();
+const users = require('../controllers/users.js');
+const search= require('../controllers/search.js');
+const add=  require('../controllers/add.js');
+const del=  require('../controllers/del.js');
+const change=  require('../controllers/change.js');
+router.route('/users/getById/:id?')
+  .get(users.get);
+router.route('/users/deleteById/:id?')
+  .delete(del.delete);
+router.route('/users/getAll')
+  .get(users.get);
+  router.route('/users/search/:tag?')
+  .get(search.get);
+router.route('/users/add')
+  .post(add.post);
+  router.route('/users/change/:id?/password')
+  .put(change.put);
+ 
+module.exports = router;
\ No newline at end of file
diff --git a/API/services/web-server.js b/API/services/web-server.js
new file mode 100644
index 0000000..7f7bf08
--- /dev/null
+++ b/API/services/web-server.js
@@ -0,0 +1,54 @@
+const http = require('http');
+const express = require('express');
+const morgan = require('morgan');
+const database = require('./database.js');
+const webServerConfig = require('../config/web-server.js');
+const router = require('./router.js');
+
+
+ 
+let httpServer;
+ 
+function initialize() {
+  return new Promise((resolve, reject) => {
+    const app = express();
+    httpServer = http.createServer(app);
+  app.use(morgan('combined'));
+app.use(express.json());
+
+app.use('/api', router);
+    app.get('/', async (req, res) => {
+      const result = await database.simpleExecute('select user, systimestamp from dual');
+      const user = result.rows[0].USER;
+      const date = result.rows[0].SYSTIMESTAMP;
+ 
+      res.end(`DB user: ${user}\nDate: ${date}`);
+    });
+ 
+    httpServer.listen(webServerConfig.port)
+      .on('listening', () => {
+        console.log(`Web server listening on localhost:${webServerConfig.port}`);
+ 
+        resolve();
+      })
+      .on('error', err => {
+        reject(err);
+      });
+  });
+}
+ 
+module.exports.initialize = initialize;
+function close() {
+  return new Promise((resolve, reject) => {
+    httpServer.close((err) => {
+      if (err) {
+        reject(err);
+        return;
+      }
+ 
+      resolve();
+    });
+  });
+}
+ 
+module.exports.close = close;
\ No newline at end of file
diff --git a/Database/users.sql b/Database/users.sql
new file mode 100644
index 0000000..a3fb934
--- /dev/null
+++ b/Database/users.sql
@@ -0,0 +1,63 @@
+--------------------------------------------------------
+--  File created - Monday-February-04-2019   
+--------------------------------------------------------
+--------------------------------------------------------
+--  DDL for Table USERS
+--------------------------------------------------------
+
+  CREATE TABLE "SYSTEM"."USERS" 
+   (	"ID" NUMBER(*,0), 
+	"NAME" VARCHAR2(255 BYTE), 
+	"EMAIL" VARCHAR2(255 BYTE), 
+	"PASSWORD" VARCHAR2(255 BYTE), 
+	"CONTACT" VARCHAR2(255 BYTE), 
+	"CITY" VARCHAR2(255 BYTE), 
+	"ADDRESS" VARCHAR2(255 BYTE)
+   ) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
+  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
+  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
+  TABLESPACE "SYSTEM" ;
+REM INSERTING into SYSTEM.USERS
+SET DEFINE OFF;
+Insert into SYSTEM.USERS (ID,NAME,EMAIL,PASSWORD,CONTACT,CITY,ADDRESS) values (3,'punam','shukhu4@gmail.com','password','8420591712','kolkata','kestopur');
+Insert into SYSTEM.USERS (ID,NAME,EMAIL,PASSWORD,CONTACT,CITY,ADDRESS) values (4,'prabhat','sinha@gmail.com','prabh','9999433762','kolkata','kestopur');
+Insert into SYSTEM.USERS (ID,NAME,EMAIL,PASSWORD,CONTACT,CITY,ADDRESS) values (5,'priyonkar','pinku@gmail.com','bulbasur','0332591640','kolkata','rabindrapallyr');
+Insert into SYSTEM.USERS (ID,NAME,EMAIL,PASSWORD,CONTACT,CITY,ADDRESS) values (6,'hello','worldhello@gmail.com','world','6977543210','india','talbagan');
+Insert into SYSTEM.USERS (ID,NAME,EMAIL,PASSWORD,CONTACT,CITY,ADDRESS) values (7,'suraj','jhawar@gmail.com','sun','6977512340','kolkata','howrah');
+Insert into SYSTEM.USERS (ID,NAME,EMAIL,PASSWORD,CONTACT,CITY,ADDRESS) values (8,'sumit','sum@gmail.com','summit','6977152340','delhi','metro station');
+Insert into SYSTEM.USERS (ID,NAME,EMAIL,PASSWORD,CONTACT,CITY,ADDRESS) values (9,'shubham','khush@gmail.com','bharti','6797152340','jaipur','somewhere');
+Insert into SYSTEM.USERS (ID,NAME,EMAIL,PASSWORD,CONTACT,CITY,ADDRESS) values (1,'shubham','dan@fakemail.com','McGhan','1233211234','IT_PROG','2014-12-14T00:00:00.000Z');
+Insert into SYSTEM.USERS (ID,NAME,EMAIL,PASSWORD,CONTACT,CITY,ADDRESS) values (2,'shubham','shukhu10@gmail.com','shu','9748669897','kolkata','kestopur');
+Insert into SYSTEM.USERS (ID,NAME,EMAIL,PASSWORD,CONTACT,CITY,ADDRESS) values (10,'pranay','prenav@gmail.com','pandu','9797152340','agra','taj mahal');
+--------------------------------------------------------
+--  DDL for Index SYS_C004047
+--------------------------------------------------------
+
+  CREATE UNIQUE INDEX "SYSTEM"."SYS_C004047" ON "SYSTEM"."USERS" ("ID") 
+  PCTFREE 10 INITRANS 2 MAXTRANS 255 
+  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
+  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
+  TABLESPACE "SYSTEM" ;
+--------------------------------------------------------
+--  Constraints for Table USERS
+--------------------------------------------------------
+
+  ALTER TABLE "SYSTEM"."USERS" MODIFY ("ID" NOT NULL ENABLE);
+ 
+  ALTER TABLE "SYSTEM"."USERS" MODIFY ("NAME" NOT NULL ENABLE);
+ 
+  ALTER TABLE "SYSTEM"."USERS" MODIFY ("EMAIL" NOT NULL ENABLE);
+ 
+  ALTER TABLE "SYSTEM"."USERS" MODIFY ("PASSWORD" NOT NULL ENABLE);
+ 
+  ALTER TABLE "SYSTEM"."USERS" MODIFY ("CONTACT" NOT NULL ENABLE);
+ 
+  ALTER TABLE "SYSTEM"."USERS" MODIFY ("CITY" NOT NULL ENABLE);
+ 
+  ALTER TABLE "SYSTEM"."USERS" MODIFY ("ADDRESS" NOT NULL ENABLE);
+ 
+  ALTER TABLE "SYSTEM"."USERS" ADD PRIMARY KEY ("ID")
+  USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 
+  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
+  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
+  TABLESPACE "SYSTEM"  ENABLE;
diff --git a/PERSONAL INFORMATION.txt b/PERSONAL INFORMATION.txt
new file mode 100644
index 0000000..9b0c2e1
--- /dev/null
+++ b/PERSONAL INFORMATION.txt	
@@ -0,0 +1,4 @@
+NAME : SHUBHAM KUMAR
+EMAIL ID : shukhu10@gmail.com
+CONTACT : +91 9748669897
+CITY : KOLKATA
\ No newline at end of file
diff --git a/README.md b/README.md
index e63c078..0255ad6 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,68 @@
-# back-end-task
-Build REST APIs server using Node.js and Express.js on any database of your choice.
+The api works for all the required functions i.e.
+
+/getAll - To get all the entries in your database(with pagination support if you can).
+/getById - To get just one entry by ID.
+/search - To get all the entries in your database with at least one attribute containing the string that is passed in the arguments.
+/add - To add a new entry in the database.
+/deleteById - To delete an entry by ID.
+ 
+This api works on oracle database and also have some additional function like changing password of the user etc.
+
+Requirements --		>require('http')
+			>require('express')
+			>require('morgan')
+			>require('oracledb')
+			
+
+How to use the functions :
+
+>getAll -	USE - To get all the informations of all the users.
+		URL - http://localhost:3000/api/users/getAll
+		REQUEST - get
+		RESPOND - JSON data
+
+>getById -	USE - To get all the information of a user having the required user id.
+		URL - http://localhost:3000/api/users/getById/:id?
+		REQUEST - get
+		RESPOND - JSON data
+
+>search - 	USE - To serach a string throughout the database(except the password column for security purpose).
+		URL - http://localhost:3000/api/users/search/:tag?
+		REQUEST - get
+		RESPOND - JSON data
+
+>add - 		USE - To add new user tothe database.
+		URL - http://localhost:3000/api/users/add
+		REQUEST - post
+		CONTEXT TYPE - application/JSON
+		DATA FORMAT - {
+				"name":"<name>",
+  				"password": "<password>",
+  				"email": "<email>",
+  				"city": "<city>",
+  				"address": "<address>",
+  				"contact": "<phone number>"
+			      }
+		RESPOND - User id if data added.
+
+>deleteById - 	USE - To delete a user from the database.
+
+		URL - http://localhost:3000/api/users/deleteById/:id?
+		REQUEST - delete
+		RESPOND - 	status = 204 if user id found and deleted
+				status = 404 if user id not found.
+
+>password - 	USE - To change the password of given user.
+		URL - http://localhost:3000/api/users/change/:id?/password
+		REQUEST - put
+		CONTEXT TYPE - application/JSON
+		DATA FORMAT - 	{
+				  "password": "<new password>"
+				}
+		RESPOND - 	status = 200 if user id found and password changed
+				status = 404 if user id not found.
+				status = 400 if user id not entered.
+
+CREATED BY -> 	SHUBHAM KUMAR
+		EMAIL ID : shukhu10@gmail.com
+		CONTACT : +91 9748669897
diff --git a/ScreenShots/add.png b/ScreenShots/add.png
new file mode 100644
index 0000000..2a67809
Binary files /dev/null and b/ScreenShots/add.png differ
diff --git a/ScreenShots/change.png b/ScreenShots/change.png
new file mode 100644
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