diff --git a/app/Controllers/RestAuthenticationController.php b/app/Controllers/RestAuthenticationController.php
index 41a716d..235f86a 100755
--- a/app/Controllers/RestAuthenticationController.php
+++ b/app/Controllers/RestAuthenticationController.php
@@ -978,6 +978,12 @@ class RestAuthenticationController extends AdminController
             $old_mpin = $this->request->getJSON()->old_mpin;
             $mpin = $this->request->getJSON()->new_mpin;
 
+            if($old_mpin == $mpin)
+            {
+                $result = ['mpin_verification' => false , 'message' => "New MPIN must be different from the old MPIN"];
+                return $this->respond(['status' => 'failed','code' => 404,'data' => $result],200);
+            }
+
             $empdata = RestAuthHelper::getPreAndPostDataByEmailOrMobile(['email_id' => $email_id, 'mobile_number' => $mobile_number, 'old_mpin' => $old_mpin ]); 
             // print_r($empdata); die;
 
@@ -986,7 +992,7 @@ class RestAuthenticationController extends AdminController
                 log_message('error', '  ');
                 log_message('error', '************************ PRE END ********************************');
 
-                $result = ['mpin_verification' => false , 'message' => "Wrong Mpin"];
+                $result = ['mpin_verification' => false , 'message' => "Old MPIN is incorrect"];
                 return $this->respond(['status' => 'failed','code' => 404,'data' => $result],200);
             }