diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingPeriod/ReadingPeriodSetService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingPeriod/ReadingPeriodSetService.cs
index 5e97d1003..468288bbb 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingPeriod/ReadingPeriodSetService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingPeriod/ReadingPeriodSetService.cs
@@ -696,6 +696,19 @@ namespace IRaCIS.Core.Application.Service
                 SiteIds = inDto.SiteIds,
             });
 
+            if (await _readingPeriodSetRepository.AnyAsync(x => x.Id != inDto.TrialReadingCriterionId && x.IsTakeEffect != ReadingPeriodStatus.Revocation
+          && x.TrialId == inDto.TrialId && x.ReadingPeriodName == inDto.ReadingPeriodName && x.TrialReadingCriterionId == inDto.TrialReadingCriterionId))
+            {
+
+                throw new BusinessValidationFailedException(_localizer["ReadingPeriodSet_NameDup"]);
+            
+            }
+            if (inDto.ReadingPeriodName == "Global")
+            {
+                throw new BusinessValidationFailedException(_localizer["ReadingPeriodSet_Global"]);
+             
+            }
+
             List<Guid> isChooseVisitIds = new List<Guid>();
             List<Guid> IsGenerateVisitIds = new List<Guid>();
             List<ReadingPeriodPlan> chooseVisitVisitList = new List<ReadingPeriodPlan>();