Only branch Head can delete Subtopic. If Institute Head wants to Delete Subtopic he need to click on Branch Head Tab and follow these steps-
To Delete Subtopic-
1.Login as Branch Head.
2.Click on select "Management" Tab.
3.Select Manage Subject/Topic/Subtopic-Manage Subtopic.
4.Click on "Delete button" for Subtopic which you want to delete from Available Subtopic List.
Deleted Subtopic will be available in Deleted Subtopic List.