diff --git a/frontend/mgramseva/lib/screeens/add_expense/expense_details.dart b/frontend/mgramseva/lib/screeens/add_expense/expense_details.dart
index 2bc19d97e..c06c0ebfe 100644
--- a/frontend/mgramseva/lib/screeens/add_expense/expense_details.dart
+++ b/frontend/mgramseva/lib/screeens/add_expense/expense_details.dart
@@ -274,7 +274,7 @@ class _ExpenseDetailsState extends State<ExpenseDetails> {
                               textInputType: TextInputType.number,
                               inputFormatter: [
                                 FilteringTextInputFormatter.allow(
-                                    RegExp("[0-9]"))
+                                    RegExp(r"^[1-9]\d{5}$"))
                               ],
                               labelSuffix: '(₹)',
                               isDisabled: (expenseDetails.allowEdit ?? true)
diff --git a/frontend/mgramseva/lib/utils/validators/validators.dart b/frontend/mgramseva/lib/utils/validators/validators.dart
index dffa31df9..f26ae9539 100644
--- a/frontend/mgramseva/lib/utils/validators/validators.dart
+++ b/frontend/mgramseva/lib/utils/validators/validators.dart
@@ -1,6 +1,7 @@
 import 'package:mgramseva/utils/constants/i18_key_constants.dart';
 import 'package:mgramseva/utils/localization/application_localizations.dart';
 import 'package:mgramseva/utils/global_variables.dart';
+import 'dart:math' as math;
 
 class Validators {
   static validate(value, type) {
@@ -109,7 +110,7 @@ class Validators {
   static String? amountValidator(String? v) {
     if (v!.trim().isEmpty) {
       return '${ApplicationLocalizations.of(navigatorKey.currentContext!).translate(i18.expense.AMOUNT_MENTIONED_IN_THE_BILL)}';
-    } else if (double.parse(v) <= 0) {
+    } else if (double.parse(v) <= 0 || (((math.log(double.parse(v!)) / math.ln10) + 1) as int) > 6) {
       return '${ApplicationLocalizations.of(navigatorKey.currentContext!).translate(i18.expense.ENTER_VALID_AMOUNT)}';
     }
     return null;