During the Bangladesh War of Independence, the Bangladesh Forces (not to be confused with Mukti Bahini) were divided in the geographical area of Bangladesh into eleven divisions designated as sectors. Each sector had a sector commander I.e. Division Commanders who directed the military operation further coordinated through several sub-sectors under sub-sector commanders who fought along with their troops and civilian resistance fighters. Most of the Sector Commanders and quite a number of sub-sector commanders remained in security under Indian BSF border camps such as Wing Commander Bashar, Major Shafiullah, Major Mir Shawkat Ali. History Bangladesh Sector Commanders Conference The history of the Bangladesh war of Independence dates back to April 1971 when it began its inception with the title of Bangladesh Forces during the first Bangladesh Sector Commanders Conference held in the week of July 11–17, 1971. It was at this conference during which time BD Forces was organized and formed for the independence struggle. It was significant in the light of its official creation and formation as Bangladesh Forces, its command structuring, sector reorganization, reinforcement and appointing war commanders were its principal focus. This conference was presided over by the Prime Minister of Bangladesh, Tajuddin Ahmed, and Colonel M.A.G. Osmani, during which General Muhammad Ataul Gani Osmani was reinstated from retirement to active duty into the Bangladesh Forces as its senior most official. Colonel M.A.G. Osmani had thereby been appointed Commander in Chief of all Bangladesh Forces with Lt. Col M. A. Rab as Chief of Army Staff. Principal participants of this conference was Squadron Leader M. Hamidullah Khan, Major Ziaur Rahman, Wing Commander M Khademul Bashar, Major M. A. Jalil, Captain Haider, Lt. Col. M A Rab. Structure The Bangladesh Forces was organized for the war in 1971 into in 11 divisions (sectors) and later 3 indep brigades were christened, under BDF HQ situated at 8 Theatre Road, Calcutta, West Bengal. Bangladesh interim provincial government of July 11, 1971 appointed Col. M A G Osmani as Commander in Chief. Lt. Col Rab was appointed as Chief of Bangladesh Army Staff. In this meeting, Bangladesh was divided into Eleven Divisions (Sectors) under BDF Commanders. BDF Commanders of the sectors directed the guerrilla warfare. For better efficiency in military operations each of the BFF sectors were divided into a number of sub-sectors. On November 21, 1971 Bangladesh Forces under Indian Army formed an allied command in which India took surrender