diff --git a/lib/utils/queries.dart b/lib/utils/queries.dart
index 256aa2651..60234d422 100644
--- a/lib/utils/queries.dart
+++ b/lib/utils/queries.dart
@@ -10,6 +10,7 @@ class Queries {
   /// * `lastName`: user's data.
   /// * `email`: user's data.
   /// * `password`: user's data.
+  /// * `selectedOrganization`: ID of the selected organization.
   ///
   /// **returns**:
   /// * `String`: Return the mutation in string type to be passed to graphql client.
@@ -18,10 +19,11 @@ class Queries {
     String lastName,
     String email,
     String password,
+    String? selectedOrganization,
   ) {
     return """
         mutation{
-          signUp(data: {firstName: "$firstName", lastName: "$lastName", email: "$email", password: "$password"})
+          signUp(data: {firstName: "$firstName", lastName: "$lastName", email: "$email", password: "$password", selectedOrganization: "$selectedOrganization"})
           {
             appUserProfile{
               adminFor{
diff --git a/lib/view_model/pre_auth_view_models/signup_details_view_model.dart b/lib/view_model/pre_auth_view_models/signup_details_view_model.dart
index 2fc3c1451..494afac0b 100644
--- a/lib/view_model/pre_auth_view_models/signup_details_view_model.dart
+++ b/lib/view_model/pre_auth_view_models/signup_details_view_model.dart
@@ -135,6 +135,7 @@ class SignupDetailsViewModel extends BaseModel {
             Encryptor.encryptString(
               password.text,
             ),
+            selectedOrganization.id,
           ),
         );
         navigationService.pop();
diff --git a/test/utils_tests/queries_test.dart b/test/utils_tests/queries_test.dart
index 6fffa6739..cdb43da4d 100644
--- a/test/utils_tests/queries_test.dart
+++ b/test/utils_tests/queries_test.dart
@@ -10,8 +10,13 @@ void main() {
       var mutation = false;
       expect(mutation, false);
 
-      final fnData = Queries()
-          .registerUser('Ayush', 'Chaudhary', 'ayush@gmail.com', 'password');
+      final fnData = Queries().registerUser(
+        'Ayush',
+        'Chaudhary',
+        'ayush@gmail.com',
+        'password',
+        'orgId123',
+      );
       if (fnData.contains('Ayush')) {
         mutation = true;
       }
diff --git a/test/view_model_tests/pre_auth_view_models/signup_details_view_model_test.dart b/test/view_model_tests/pre_auth_view_models/signup_details_view_model_test.dart
index cfd954522..a98bf1a02 100644
--- a/test/view_model_tests/pre_auth_view_models/signup_details_view_model_test.dart
+++ b/test/view_model_tests/pre_auth_view_models/signup_details_view_model_test.dart
@@ -49,7 +49,7 @@ class SignUpMock extends StatelessWidget {
 }
 
 OrgInfo get org => OrgInfo(
-      id: '3',
+      id: '',
       name: 'test org 3',
       userRegistrationRequired: userRegistrationRequired,
       creatorInfo: User(firstName: 'test', lastName: '1'),
@@ -84,13 +84,13 @@ void main() {
         source: QueryResultSource.network,
         data: data,
         options: QueryOptions(
-          document: gql(queries.registerUser('', '', '', '')),
+          document: gql(queries.registerUser('', '', '', '', '')),
         ),
       );
       when(graphqlConfig.getToken()).thenAnswer((_) async => true);
       when(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       ).thenAnswer((_) async => result);
       when(databaseFunctions.gqlAuthMutation(queries.joinOrgById(org.id!)))
@@ -116,7 +116,7 @@ void main() {
       verify(databaseFunctions.gqlAuthMutation(queries.joinOrgById(org.id!)));
       verify(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       );
       verify(
@@ -143,12 +143,12 @@ void main() {
       locator.registerSingleton<UserConfig>(MockUserConfig());
 
       final model = SignupDetailsViewModel();
-
+      model.selectedOrganization = OrgInfo(id: "");
       await tester.pumpWidget(SignUpMock(formKey: model.formKey));
 
       when(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       ).thenAnswer((_) async => null);
 
@@ -194,13 +194,13 @@ void main() {
         source: QueryResultSource.network,
         data: data,
         options: QueryOptions(
-          document: gql(queries.registerUser('', '', '', '')),
+          document: gql(queries.registerUser('', '', '', '', '')),
         ),
       );
       when(graphqlConfig.getToken()).thenAnswer((_) async => false);
       when(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       ).thenAnswer((_) async => result);
 
@@ -301,13 +301,13 @@ void main() {
         source: QueryResultSource.network,
         data: data,
         options: QueryOptions(
-          document: gql(queries.registerUser('', '', '', '')),
+          document: gql(queries.registerUser('', '', '', '', '')),
         ),
       );
       when(graphqlConfig.getToken()).thenAnswer((_) async => true);
       when(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       ).thenAnswer((_) async => result);
       when(
@@ -340,7 +340,7 @@ void main() {
       );
       verify(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       );
       verify(
@@ -364,7 +364,7 @@ void main() {
       when(graphqlConfig.getToken()).thenAnswer((_) async => true);
       when(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       ).thenThrow(Exception());
 
@@ -374,7 +374,7 @@ void main() {
 
       verify(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       );
       verifyNever(
@@ -416,13 +416,15 @@ void main() {
         source: QueryResultSource.network,
         data: data,
         options: QueryOptions(
-          document: gql(queries.registerUser('', '', '', '')),
+          document: gql(
+            queries.registerUser('', '', '', '', ''),
+          ),
         ),
       );
       when(graphqlConfig.getToken()).thenAnswer((_) async => true);
       when(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       ).thenAnswer((_) async => result);
       when(databaseFunctions.gqlAuthMutation(queries.joinOrgById(org.id!)))
@@ -435,7 +437,7 @@ void main() {
       verify(databaseFunctions.gqlAuthMutation(queries.joinOrgById(org.id!)));
       verify(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       );
       verifyNever(
@@ -478,13 +480,15 @@ void main() {
         source: QueryResultSource.network,
         data: data,
         options: QueryOptions(
-          document: gql(queries.registerUser('', '', '', '')),
+          document: gql(
+            queries.registerUser('', '', '', '', ''),
+          ),
         ),
       );
       when(graphqlConfig.getToken()).thenAnswer((_) async => true);
       when(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       ).thenAnswer((_) async => result);
       when(
@@ -503,7 +507,7 @@ void main() {
       );
       verify(
         databaseFunctions.gqlNonAuthMutation(
-          queries.registerUser('', '', '', ''),
+          queries.registerUser('', '', '', '', ''),
         ),
       );
       verifyNever(