diff --git a/lib/api/api_client.dart b/lib/api/api_client.dart
index 1ac91bfa..3d206471 100644
--- a/lib/api/api_client.dart
+++ b/lib/api/api_client.dart
@@ -98,7 +98,7 @@ class ApiClient {
   }
 
   Future<Response> postJsonForResponse<T>(String url, T jsonObject,
-      {String? token, Map<String, dynamic>? queryParameters, Map<String, String>? headers, int retryTimes = 0, bool isFormData = true}) async {
+      {String? token, Map<String, dynamic>? queryParameters, Map<String, String>? headers, int retryTimes = 0, bool isFormData = false}) async {
     int currentRetryTime = retryTimes;
     String? requestBody;
     late Map<String, String> stringObj;
@@ -111,6 +111,11 @@ class ApiClient {
       }
     }
 
+    if(!kReleaseMode)
+    { print("url:$url");
+      print("requestBody:$requestBody");
+    }
+
     if (isFormData) {
       headers = {'Content-Type': 'application/x-www-form-urlencoded'};
       stringObj = ((jsonObject ?? {}) as Map<String, dynamic>).map((key, value) => MapEntry(key, value?.toString() ?? ""));
diff --git a/lib/api/gas_refill_api_client.dart b/lib/api/gas_refill_api_client.dart
index d3e27343..87d6c631 100644
--- a/lib/api/gas_refill_api_client.dart
+++ b/lib/api/gas_refill_api_client.dart
@@ -1,5 +1,6 @@
 import 'dart:convert';
 
+import 'package:http/http.dart';
 import 'package:test_sa/api/user_api_client.dart';
 
 import '../controllers/api_routes/urls.dart';
@@ -37,20 +38,45 @@ class GasRefillApiClient {
   Future<GasRefillModel> createModel({
     required GasRefillModel model,
   }) async {
+
+
     Map<String, dynamic> body = {
-      "uid": UserApiClient().user?.id.toString(),
-      "token": UserApiClient().user?.token ?? "",
-      "title": model.title ?? "",
-      "status": "0", //model.status.value.toString(),
+      "gazRefillNo": await generateGazRefillNo(),
+      "assignedEmployee": {
+        "id": UserApiClient().user?.id.toString(),
+        "name": UserApiClient().user?.username.toString()
+      },
+      "status": {
+        "id": 0,
+        "name": "",
+        "value": 0
+      },
     };
 
-    body["gazRefillDetails"] = jsonEncode(model.details
+    body["gazRefillDetails"] = model.details
         ?.map((model) => {
-              "gasType": model.type?.id.toString(),
-              "cylinderSize": model.cylinderSize?.id.toString(),
-              "requestedQty": model.requestedQuantity.toString(),
+      "gasType": {
+        "id": model.type?.id,
+        "name": model.type?.label.toString(),
+        "value": model.type?.id
+      },
+      "cylinderType": {
+         "id": 0,
+        "name": "",
+        "value": 0
+      },
+      "cylinderSize": {
+         "id": model.cylinderSize?.id,
+        "name": model.cylinderSize?.label.toString(),
+        "value": model.cylinderSize?.id,
+      },
+      "requestedQty": model.requestedQuantity,
+      "deliverdQty": 0
+
             })
-        .toList());
+        .toList();
+
+    print(body);
 
     final response = await ApiClient().postJsonForResponse(
       "${URLs.host1}${URLs.requestGasRefill}",
@@ -85,4 +111,13 @@ class GasRefillApiClient {
 
     oldModel?.fromGasRefillModel(newModel);
   }
+
+
+  Future<String> generateGazRefillNo() async {
+
+    final reponse = await ApiClient().getJsonForResponse("${URLs.host1}${URLs.generateGazRefillNo}");
+    var data = json.decode(reponse.body);
+    return data['data'];
+
+  }
 }
diff --git a/lib/controllers/api_routes/urls.dart b/lib/controllers/api_routes/urls.dart
index fa4ed214..8795ecb9 100644
--- a/lib/controllers/api_routes/urls.dart
+++ b/lib/controllers/api_routes/urls.dart
@@ -2,7 +2,7 @@ class URLs{
   URLs._();
   static const host2 = "http://194.163.164.213/atoms/api";
  // static const host1 = "https://atoms.hmg.com/api"; // production url
-  static const host1 = "https://atomsdev.hmg.com/api"; // uat url
+  static const host1 = "https://atomsuat.hmg.com"; // uat url
 
   // API Routes
   static const login = "/mobile/MobileAuth/Login"; // post
@@ -48,6 +48,7 @@ class URLs{
   static const requestGasRefill = "/mobile/GazRefill/AddGazRefill"; // get
   static const updateGasRefill = "/mobile/GazRefill/UpdateGazRefill"; // get
   static const getGasRefill = "/mobile/GazRefill/GetGazRefills"; // get
+  static const generateGazRefillNo= "/mobile/GazRefill/GenerateGazRefillNumber";
 
   //device transfer
   static const requestDeviceTransfer = "/mobile/AssetTransfer/AddAssetTransfer"; // get
diff --git a/lib/controllers/providers/api/status_drop_down/gas_refill/gas_cylinder_size_provider.dart b/lib/controllers/providers/api/status_drop_down/gas_refill/gas_cylinder_size_provider.dart
index 6a1c53f9..cc767b86 100644
--- a/lib/controllers/providers/api/status_drop_down/gas_refill/gas_cylinder_size_provider.dart
+++ b/lib/controllers/providers/api/status_drop_down/gas_refill/gas_cylinder_size_provider.dart
@@ -57,14 +57,16 @@ class GasCylinderSizesProvider extends ChangeNotifier {
     notifyListeners();
     Response response;
     try {
+
       response = await get(
         Uri.parse((host ?? '') + URLs.getGasCylinderSize),
       );
       _stateCode = response.statusCode;
       if (response.statusCode >= 200 && response.statusCode < 300) {
         // client's request was successfully received
-        List categoriesListJson = json.decode(utf8.decode(response.bodyBytes));
-        _items = categoriesListJson.map((item) => Lookup.fromJson(item)).toList();
+
+        var categoriesListJson = json.decode(response.body);
+        _items = categoriesListJson['data'].map<Lookup>((item) => Lookup.fromJson(item)).toList();
       }
       _loading = false;
       notifyListeners();
diff --git a/lib/views/pages/user/gas_refill/request_gas_refill.dart b/lib/views/pages/user/gas_refill/request_gas_refill.dart
index a0d2aed0..3ea104b6 100644
--- a/lib/views/pages/user/gas_refill/request_gas_refill.dart
+++ b/lib/views/pages/user/gas_refill/request_gas_refill.dart
@@ -18,6 +18,7 @@ import '../../../widgets/app_text_form_field.dart';
 import '../../../widgets/buttons/app_button.dart';
 import '../../../widgets/gas_refill/gas_refill_create_details_item.dart';
 import '../../../widgets/loaders/loading_manager.dart';
+import '../../../widgets/status/gas_refill/gas_cylinder_size.dart';
 import '../../../widgets/status/gas_refill/gas_type.dart';
 import '../../../widgets/titles/app_sub_title.dart';
 
@@ -147,17 +148,17 @@ class _RequestGasRefillState extends State<RequestGasRefill> {
                     },
                   ),
 
-                  // const SizedBox(height: 8,),
-                  // const ASubTitle("Cylinder Size"),
-                  // if(_validate && _currentDetails.cylinderSize == null)
-                  //   ASubTitle(_subtitle.requiredWord,color: Colors.red,),
-                  // const SizedBox(height: 4,),
-                  // GasCylinderSizeMenu(
-                  //   initialValue: _currentDetails.cylinderSize,
-                  //   onSelect: (status){
-                  //     _currentDetails.cylinderSize = status;
-                  //   },
-                  // ),
+                  const SizedBox(height: 8,),
+                  const ASubTitle("Cylinder Size"),
+                  if(_validate && _currentDetails.cylinderSize == null)
+                    ASubTitle(_subtitle?.requiredWord??"",color: Colors.red,),
+                  const SizedBox(height: 4,),
+                  GasCylinderSizeMenu(
+                    initialValue: _currentDetails.cylinderSize,
+                    onSelect: (status){
+                      _currentDetails.cylinderSize = status;
+                    },
+                  ),
                   const SizedBox(
                     height: 8,
                   ),
diff --git a/lib/views/widgets/gas_refill/gas_refill_update_details_item.dart b/lib/views/widgets/gas_refill/gas_refill_update_details_item.dart
index 699ffd9b..2f9104e4 100644
--- a/lib/views/widgets/gas_refill/gas_refill_update_details_item.dart
+++ b/lib/views/widgets/gas_refill/gas_refill_update_details_item.dart
@@ -48,7 +48,7 @@ class GasRefillUpdateDetailsItem extends StatelessWidget {
                     initialValue: (details.deliveredQuantity ?? "").toString(),
                     textAlign: TextAlign.center,
                     style: Theme.of(context).textTheme.subtitle1,
-                    validator: (value) => Validator.isNumeric(value!) ? "" : "allow numbers only",
+                    validator: (value) => Validator.isNumeric(value) ? null : "allow numbers only",
                     textInputType: TextInputType.number,
                     onSaved: (value) {
                       details.deliveredQuantity = int.tryParse(value!);