The six franchises represented Presence Dhaka , Barisal , Chittagong , Khulna , Rajshahi and Sylhet divisions .

The third operation was the operational plan Arranging designed by Lt. Gen Sagat Singh , commander of the Indian Army IV Corps attached Connect to the Eastern Command and the Bangladesh forces operating Being_in_operation in his operational area against the Pakistani forces in Sylhet , Comilla and Chittagong as part of the overall campaign during November 21 - December 16 , 1971 .