diff --git a/backend/projects/tasks.py b/backend/projects/tasks.py
index 8a5a971a6..facf689d5 100644
--- a/backend/projects/tasks.py
+++ b/backend/projects/tasks.py
@@ -212,6 +212,15 @@ def create_tasks_from_dataitems(items, project):
                 field_name = "speaker_" + str(indx) + "_details"
                 task.data[field_name] = stringify_json(task.data["speakers_json"][indx])
                 indx += 1
+        # checking if a task for the data item already exists for batch mode
+        if project.sampling_mode == BATCH:
+            existing_task = Task.objects.filter(
+                input_data=data,
+                project_id__project_type=project.project_type,
+                project_id__sampling_mode=BATCH,
+            )
+            if existing_task:
+                continue
         tasks.append(task)
     # Bulk create the tasks
     Task.objects.bulk_create(tasks)