diff --git a/app/Controllers/EmpDataServiceController.php b/app/Controllers/EmpDataServiceController.php
index 40169e8b..ae04f357 100755
--- a/app/Controllers/EmpDataServiceController.php
+++ b/app/Controllers/EmpDataServiceController.php
@@ -1367,7 +1367,6 @@ class EmpDataServiceController extends BaseController
             }
         }
 
-
         $emp_count = count($excel_data);
 
         //get the employee data for excel file validation
@@ -1444,6 +1443,8 @@ class EmpDataServiceController extends BaseController
         $errors = []; // Initialize an array to store errors
         $missing_id = [];
         $batch_list_id = [];
+        $tpa_id_all = []; //this array to store all TPA ID
+        $tpa_id_duplicate = []; //store duplicate TPA ID
 
         foreach ($employee_data as $key => $emp_value) {
 
@@ -1453,6 +1454,36 @@ class EmpDataServiceController extends BaseController
                 break;
             }
 
+            //--- TPA ID Duplicate check start ---
+
+            $current_tpa_id = $excel_data[$key][13];
+
+            if (isset($tpa_id_all[$current_tpa_id])) {
+
+                // Add the current row to errors
+                $errors[$key][] = [
+                    'row' => $key,
+                    'column' => 13,
+                    'db_data' => "Duplicate TPA ID Found",
+                    'excel_data' => $current_tpa_id
+                ];
+            
+                // Add all existing rows with the same TPA ID to errors
+                foreach ($tpa_id_all[$current_tpa_id] as $existing_row) {
+                    $errors[$existing_row][] = [
+                        'row' => $existing_row,
+                        'column' => 13,
+                        'db_data' => "Duplicate TPA ID Found",
+                        'excel_data' => $current_tpa_id
+                    ];
+                }
+
+            } else {
+                $tpa_id_all[$current_tpa_id][] = $key;
+            }
+            
+            //--- TPA ID Duplicate check end ---
+
             if ($insurer_or_tpa == 'tpa') {
 
                 if ($excel_data[$key][13] === null) {
@@ -1610,7 +1641,8 @@ class EmpDataServiceController extends BaseController
             $batch_list_id[] = $emp_value['primaryKey'];
         }
 
-
+        // dd($errors);
+       
         $error_count = count($errors);
         $json_errors = json_encode($errors);