diff --git a/IRaCIS.Core.Application/Service/Reading/Dto/GetReadModuleDto.cs b/IRaCIS.Core.Application/Service/Reading/Dto/GetReadModuleDto.cs
index 1941611e6..21b91b3b7 100644
--- a/IRaCIS.Core.Application/Service/Reading/Dto/GetReadModuleDto.cs
+++ b/IRaCIS.Core.Application/Service/Reading/Dto/GetReadModuleDto.cs
@@ -40,8 +40,8 @@ namespace IRaCIS.Core.Application.Service.Reading.Dto
         public string? Name { get; set; }
 
 
-
-        public Guid? TrialReadingCriterionId { get; set; }
+        [NotDefault]
+        public Guid TrialReadingCriterionId { get; set; }
 
     }
 
diff --git a/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs b/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs
index cb740208f..2f09f259a 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs
@@ -76,15 +76,14 @@ namespace IRaCIS.Application.Services
             #region MyRegion
             dto.SortField = dto.SortField.IsNullOrEmpty() ? nameof(ReadModuleView.TrialSiteCode) : dto.SortField;
             dto.SortField = dto.Asc ? dto.SortField : dto.SortField + " desc";
-           var subjectQuery = _readModuleViewRepository.WhereIf(dto.TrialId != null, x => x.TrialId == dto.TrialId)
+           var subjectQuery = _readModuleViewRepository.Where(x => x.TrialReadingCriterionId == dto.TrialReadingCriterionId)
+            .WhereIf(dto.TrialId != null, x => x.TrialId == dto.TrialId)
             .WhereIf(dto.SubjectId != null, x => x.SubjectId == dto.SubjectId)
             .WhereIf(dto.TrialSiteCode != null && dto.TrialSiteCode != string.Empty, x => x.TrialSiteCode == dto.TrialSiteCode)
             .WhereIf(dto.SubjectCode != null && dto.SubjectCode != string.Empty, x => x.SubjectCode == dto.SubjectCode)
             .WhereIf(dto.ModuleType != null, x => x.ModuleType == dto.ModuleType)
             .WhereIf(dto.ReadingStatus != null, x => x.ReadingStatus == dto.ReadingStatus)
-            .WhereIf(dto.Name != null, x => x.Name.Contains(dto.Name!)).OrderBy(x => x.SiteCode)
-
-            /*.WhereIf(dto.TrialReadingCriterionId != null, x => x.TrialReadingCriterionId== dto.TrialReadingCriterionId)*/; 
+            .WhereIf(dto.Name != null, x => x.Name.Contains(dto.Name!)).OrderBy(x => x.SiteCode); 
 
             var subjectIds = await subjectQuery.OrderBy(dto.SortField).Select(x => x.SubjectId).Distinct().Skip((dto.PageIndex - 1) * dto.PageSize).Take(dto.PageSize).ToListAsync();