diff --git a/application/models/Validation_app_model.php b/application/models/Validation_app_model.php
index acdb0e7..e11d1d6 100644
--- a/application/models/Validation_app_model.php
+++ b/application/models/Validation_app_model.php
@@ -934,7 +934,241 @@ class Validation_app_model extends CI_Model {
 				)
 			),
 		),
-		'flight_book'=>array(),
+		'flight_book'=>array(
+			'auth_token' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'target' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'session_id' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'area_code' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'country_code' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'first_name' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'last_name' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'title' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'email_id' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'mobile_no' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'dob' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'gender' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'issue_country' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'passport_expiry' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'passport_no' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'type' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'IsPassportMandatory' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'adult_flight' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'child_flight' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'infant_flight' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'frequentFlyrNum' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'adultmealplan' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'child_dob' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'child_gender' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'child_title' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'child_first_name' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'child_last_name' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'child_passport_expiry_date' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'child_passport_no' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'child_frequentFlyrNum' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'childMealplan' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'infant_dob' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'infant_gender' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'infant_first_name' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),'infant_last_name' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'infant_title' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'infantMealplan' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'FareSourceCode' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+			'PostCode' => array(
+				'required' => array(
+					'code' => 'ER02',
+					'message' => 'User Id is null or empty'
+				)
+			),
+		),
 		'flight_ticket_order'=>array(),
 		'flight_trip_details'=>array(),
 		'cancel_flights'=>array(),