sentences:  In recognition of his efforts, Flight Lieutenant M. Hamidullah Khan received a battlefield promotion to squadron leader by BDF C-in-C Colonel M.A.G Osmani.His largest and most significant guerrilla operation would be the Chilmari Landing/Raid, on 16 and 17 October, during which Hamidullah led a crossing with 50 boats of the Ganges River by Kurigram and conducted a shock landing and attack on the Chilmari stronghold of the Pakistan Army, On 3 November 1971 Squadron Leader M. Hamidullah Khan officially took command of BDF Sector 11 under authority of Direct Order Transfer of Command from an EAM Emergency Action Message tele-wired from the Provincial Bangladesh Government interim headquarters at 8, Theatre Rd.Calcutta.