diff --git a/src/core/passport.js b/src/core/passport.js
index 6772810..b050a54 100644
--- a/src/core/passport.js
+++ b/src/core/passport.js
@@ -15,7 +15,11 @@
 
 import passport from 'passport';
 import { Strategy as FacebookStrategy } from 'passport-facebook';
-import { User, UserLogin, UserClaim, UserProfile } from '../data/models';
+// import { User, UserLogin, UserClaim, UserProfile } from '../data/models';
+import User from '../data/models/User.js';
+import UserLogin from '../data/models/UserLogin.js';
+import UserClaim from '../data/models/UserClaim.js';
+import UserProfile from '../data/models/UserProfile.js';
 import { auth as config } from '../config';
 
 /**
diff --git a/src/data/models/bonafide.js b/src/data/models/bonafide.js
index 85445f1..8acf3af 100644
--- a/src/data/models/bonafide.js
+++ b/src/data/models/bonafide.js
@@ -22,9 +22,10 @@ const Bonafide = Model.define('bonafide', {
     allowNull: false,
     primaryKey: true,
     autoIncrement: true,
+    unique: true,
   },
   req_date: {
-    type: DataTypes.BIGINT,
+    type: DataTypes.BIGINT(20),
     allowNull: false,
   },
   other_reason: {
diff --git a/src/data/models/cgpa_view.js b/src/data/models/cgpa_view.js
index c887ccd..1601fd3 100644
--- a/src/data/models/cgpa_view.js
+++ b/src/data/models/cgpa_view.js
@@ -16,6 +16,7 @@ const CGPA_View = Model.define('cgpa_view', {
   cgpa: {
     type: DataTypes.INTEGER(10),
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'cgpa_view',
diff --git a/src/data/models/daypass.js b/src/data/models/daypass.js
index 28537e6..331ab6c 100644
--- a/src/data/models/daypass.js
+++ b/src/data/models/daypass.js
@@ -15,7 +15,7 @@ const DayPass = Model.define('daypass', {
     allowNull: false,
   },
   Date: {
-    type: DataTypes.BIGINT,
+    type: DataTypes.BIGINT(20),
     allowNull: false,
   },
   Phone: {
@@ -35,7 +35,7 @@ const DayPass = Model.define('daypass', {
     allowNull: false,
   },
   Approved: {
-    type: DataTypes.INTEGER(1),
+    type: DataTypes.BOOLEAN,
     allowNull: false,
   },
   Comment: {
diff --git a/src/data/models/daypasstablegate.js b/src/data/models/daypasstablegate.js
index 3370e0a..a10c78e 100644
--- a/src/data/models/daypasstablegate.js
+++ b/src/data/models/daypasstablegate.js
@@ -12,18 +12,22 @@ const DayPassTableGate = Model.define('daypasstablegate', {
   ID: {
     type: DataTypes.STRING(12),
     allowNull: true,
+    defaultValue: null,
   },
   Name: {
     type: DataTypes.STRING(100),
     allowNull: true,
+    defaultValue: null,
   },
   DayPassDate: {
     type: DataTypes.DATE,
     allowNull: true,
+    defaultValue: null,
   },
   DayPassApproved: {
-    type: DataTypes.INTEGER(1),
+    type: DataTypes.BOOLEAN,
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'daypasstablegate',
diff --git a/src/data/models/discp.js b/src/data/models/discp.js
index 297e52d..26d53a3 100644
--- a/src/data/models/discp.js
+++ b/src/data/models/discp.js
@@ -20,7 +20,7 @@ const Discp = Model.define('discp', {
     allowNull: false,
   },
   severe: {
-    type: DataTypes.INTEGER(1),
+    type: DataTypes.BOOLEAN,
     allowNull: false,
     defaultValue: '0',
   },
diff --git a/src/data/models/discp_view.js b/src/data/models/discp_view.js
index c15ad87..dcc6a46 100644
--- a/src/data/models/discp_view.js
+++ b/src/data/models/discp_view.js
@@ -26,12 +26,14 @@ const DiscpView = Model.define('discp_view', {
     allowNull: false,
   },
   severe: {
-    type: DataTypes.INTEGER(1),
+    type: DataTypes.BOOLEAN,
     allowNull: true,
+    defaultValue: null,
   },
   date: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'discp_view',
diff --git a/src/data/models/faculty_incharge.js b/src/data/models/faculty_incharge.js
index edf248b..ee5208d 100644
--- a/src/data/models/faculty_incharge.js
+++ b/src/data/models/faculty_incharge.js
@@ -23,10 +23,12 @@ const Faculty_Incharge = Model.define('faculty_incharge', {
   chamber: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   office: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'faculty_incharge',
diff --git a/src/data/models/info_update.js b/src/data/models/info_update.js
index 9544758..0dfa731 100644
--- a/src/data/models/info_update.js
+++ b/src/data/models/info_update.js
@@ -23,6 +23,7 @@ const Info_Update = Model.define('info_update', {
   phone: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   address: {
     type: DataTypes.TEXT,
@@ -31,6 +32,7 @@ const Info_Update = Model.define('info_update', {
   email: {
     type: DataTypes.STRING(100),
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'info_update',
diff --git a/src/data/models/inoutdetails.js b/src/data/models/inoutdetails.js
index c4a74e0..f2c6207 100644
--- a/src/data/models/inoutdetails.js
+++ b/src/data/models/inoutdetails.js
@@ -11,18 +11,22 @@ const InOutDetails = Model.define('inoutdetails', {
   Name: {
     type: DataTypes.STRING(100),
     allowNull: true,
+    defaultValue: null,
   },
   Hostel: {
     type: DataTypes.STRING(4),
     allowNull: true,
+    defaultValue: null,
   },
   Room: {
     type: DataTypes.STRING(3),
     allowNull: true,
+    defaultValue: null,
   },
   Phone: {
     type: DataTypes.STRING(10),
     allowNull: true,
+    defaultValue: null,
   },
   Place: {
     type: DataTypes.STRING(20),
@@ -31,6 +35,7 @@ const InOutDetails = Model.define('inoutdetails', {
   OutDate: {
     type: DataTypes.DATE,
     allowNull: true,
+    defaultValue: null,
   },
   OutTime: {
     type: DataTypes.TIME,
@@ -39,14 +44,17 @@ const InOutDetails = Model.define('inoutdetails', {
   InDate: {
     type: DataTypes.DATE,
     allowNull: true,
+    defaultValue: null,
   },
   InTime: {
     type: DataTypes.TIME,
     allowNull: true,
+    defaultValue: null,
   },
   OnCampus: {
     type: DataTypes.INTEGER(1),
     allowNull: true,
+    defaultValue: null,
   },
   exit_id: {
     type: DataTypes.INTEGER(11),
diff --git a/src/data/models/institure_holidays.js b/src/data/models/institure_holidays.js
index 4e2a1dd..66a5b83 100644
--- a/src/data/models/institure_holidays.js
+++ b/src/data/models/institure_holidays.js
@@ -11,7 +11,7 @@ const Institure_Holidays = Model.define('institure_holidays', {
     primaryKey: true,
   },
   date: {
-    type: DataTypes.BIGINT,
+    type: DataTypes.DATE,
     allowNull: false,
   },
 }, {
diff --git a/src/data/models/leave_requests.js b/src/data/models/leave_requests.js
index 4e1dbf9..ce22eeb 100644
--- a/src/data/models/leave_requests.js
+++ b/src/data/models/leave_requests.js
@@ -44,10 +44,12 @@ const Leave_Requests = Model.define('leave_requests', {
   approved_by: {
     type: DataTypes.STRING(50),
     allowNull: true,
+    defaultValue: null,
   },
   approved: {
-    type: DataTypes.INTEGER(1).UNSIGNED,
+    type: DataTypes.BOOLEAN,
     allowNull: true,
+    defaultValue: null,
   },
   comment: {
     type: DataTypes.TEXT,
diff --git a/src/data/models/leave_requests_view.js b/src/data/models/leave_requests_view.js
index 1e9d99e..d130ebb 100644
--- a/src/data/models/leave_requests_view.js
+++ b/src/data/models/leave_requests_view.js
@@ -7,7 +7,6 @@ const Leave_Requests_View = Model.define('leave_requests_view', {
   id: {
     type: DataTypes.STRING(12),
     allowNull: false,
-    primaryKey: true,
   },
   student_name: {
     type: DataTypes.TEXT,
@@ -16,6 +15,7 @@ const Leave_Requests_View = Model.define('leave_requests_view', {
   leave_id: {
     type: DataTypes.INTEGER(20),
     allowNull: false,
+    primaryKey: true,
   },
   login_id: {
     type: DataTypes.STRING(20),
diff --git a/src/data/models/leavetablegate.js b/src/data/models/leavetablegate.js
index dbe801c..391bfc7 100644
--- a/src/data/models/leavetablegate.js
+++ b/src/data/models/leavetablegate.js
@@ -12,22 +12,27 @@ const LeaveTableGate = Model.define('leavetablegate', {
   ID: {
     type: DataTypes.STRING(12),
     allowNull: true,
+    defaultValue: null,
   },
   Name: {
     type: DataTypes.STRING(100),
     allowNull: true,
+    defaultValue: null,
   },
   LeaveStart: {
     type: DataTypes.DATE,
     allowNull: true,
+    defaultValue: null,
   },
   LeaveEnd: {
     type: DataTypes.DATE,
     allowNull: true,
+    defaultValue: null,
   },
   LeaveApproved: {
-    type: DataTypes.INTEGER(1),
+    type: DataTypes.BOOLEAN,
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'leavetablegate',
diff --git a/src/data/models/login_ids.js b/src/data/models/login_ids.js
index dbf31c0..dbe8912 100644
--- a/src/data/models/login_ids.js
+++ b/src/data/models/login_ids.js
@@ -9,6 +9,7 @@ const Login_IDs = Model.define('login_ids', {
     allowNull: false,
     defaultValue: '',
     primaryKey: true,
+    unique: true,
   },
   type: {
     type: DataTypes.STRING(11),
diff --git a/src/data/models/mess_option_open.js b/src/data/models/mess_option_open.js
index 02641d3..7c35c9c 100644
--- a/src/data/models/mess_option_open.js
+++ b/src/data/models/mess_option_open.js
@@ -5,7 +5,7 @@ import Model from '../sequelize';
 
 const Mess_Option_Open = Model.define('mess_option_open', {
   open: {
-    type: DataTypes.INTEGER(1),
+    type: DataTypes.BOOLEAN,
     allowNull: false,
     defaultValue: '0',
     primaryKey: true,
diff --git a/src/data/models/notices.js b/src/data/models/notices.js
index 5347956..54c3ac0 100644
--- a/src/data/models/notices.js
+++ b/src/data/models/notices.js
@@ -11,7 +11,7 @@ const Notices = Model.define('notices', {
     autoIncrement: true,
   },
   archived: {
-    type: DataTypes.INTEGER(1).UNSIGNED,
+    type: DataTypes.BOOLEAN,
     allowNull: false,
     defaultValue: '0',
   },
@@ -26,11 +26,11 @@ const Notices = Model.define('notices', {
     defaultValue: '',
   },
   published: {
-    type: DataTypes.BIGINT,
+    type: DataTypes.BIGINT(20),
     allowNull: false,
   },
   updated: {
-    type: DataTypes.BIGINT,
+    type: DataTypes.BIGINT(20),
     allowNull: false,
   },
   category: {
diff --git a/src/data/models/nucleus.js b/src/data/models/nucleus.js
index 4f303f0..dcce47d 100644
--- a/src/data/models/nucleus.js
+++ b/src/data/models/nucleus.js
@@ -18,10 +18,12 @@ const Nucleus = Model.define('nucleus', {
   chamber: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   office: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'nucleus',
diff --git a/src/data/models/products.js b/src/data/models/products.js
index 876e95f..018a730 100644
--- a/src/data/models/products.js
+++ b/src/data/models/products.js
@@ -5,7 +5,7 @@ import Model from '../sequelize';
 
 const Products = Model.define('products', {
   id: {
-    type: DataTypes.BIGINT,
+    type: DataTypes.BIGINT(20),
     allowNull: false,
     primaryKey: true,
     autoIncrement: true,
diff --git a/src/data/models/staff.js b/src/data/models/staff.js
index c4e636a..190f275 100644
--- a/src/data/models/staff.js
+++ b/src/data/models/staff.js
@@ -18,10 +18,12 @@ const Staff = Model.define('staff', {
   chamber: {
     type: DataTypes.STRING(10),
     allowNull: true,
+    defaultValue: null,
   },
   office: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'staff',
diff --git a/src/data/models/student_info.js b/src/data/models/student_info.js
index be37882..860e793 100644
--- a/src/data/models/student_info.js
+++ b/src/data/models/student_info.js
@@ -14,14 +14,17 @@ const Student = Model.define('student_info', {
     allowNull: true,
     unique: true,
     primaryKey: true,
+    defaultValue: null,
   },
   hostel: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   hostel_room: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   id: {
     type: DataTypes.STRING(20),
@@ -31,14 +34,17 @@ const Student = Model.define('student_info', {
   bday: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   phone: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   email: {
     type: DataTypes.STRING(100),
     allowNull: true,
+    defaultValue: null,
   },
   address: {
     type: DataTypes.TEXT,
@@ -47,26 +53,32 @@ const Student = Model.define('student_info', {
   father_name: {
     type: DataTypes.STRING(200),
     allowNull: true,
+    defaultValue: null,
   },
   father_phone: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   father_email: {
     type: DataTypes.STRING(100),
     allowNull: true,
+    defaultValue: null,
   },
   admit: {
     type: DataTypes.STRING(50),
     allowNull: true,
+    defaultValue: null,
   },
   gender: {
     type: DataTypes.CHAR(5),
     allowNull: true,
+    defaultValue: null,
   },
   bloodgroup: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'student_info',
diff --git a/src/data/models/students_basic.js b/src/data/models/students_basic.js
index 3c06208..941d8c7 100644
--- a/src/data/models/students_basic.js
+++ b/src/data/models/students_basic.js
@@ -9,6 +9,7 @@ const Students_Basic = Model.define('students_basic', {
     allowNull: false,
     defaultValue: '',
     primaryKey: true,
+    unique: true,
   },
   student_name: {
     type: DataTypes.STRING(200),
diff --git a/src/data/models/superintendents.js b/src/data/models/superintendents.js
index cf1d201..f098a54 100644
--- a/src/data/models/superintendents.js
+++ b/src/data/models/superintendents.js
@@ -23,14 +23,17 @@ const Superintendents = Model.define('superintendents', {
   chamber: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   office: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   residence: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'superintendents',
diff --git a/src/data/models/wardens.js b/src/data/models/wardens.js
index 67bd4d4..3e12885 100644
--- a/src/data/models/wardens.js
+++ b/src/data/models/wardens.js
@@ -23,14 +23,17 @@ const Wardens = Model.define('wardens', {
   chamber: {
     type: DataTypes.STRING(10),
     allowNull: true,
+    defaultValue: null,
   },
   office: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
   residence: {
     type: DataTypes.STRING(20),
     allowNull: true,
+    defaultValue: null,
   },
 }, {
   tableName: 'wardens',
diff --git a/src/data/sequelize.js b/src/data/sequelize.js
index 0255ced..3663fd4 100644
--- a/src/data/sequelize.js
+++ b/src/data/sequelize.js
@@ -14,6 +14,7 @@ const sequelize = new Sequelize(databaseConfig.databasename, databaseConfig.user
     databaseConfig.password, {
       define: {
         freezeTableName: true,
+        timestamps: false,
       },
     });