sentences:  In the Bangladesh Independence War in 1971, he planned and commanded the Chilmari riverborne amphibious landing raid and assault, one of the most strategically significant ground combat operation that was fought during the War of Independence of Bangladesh within the Mankachar sub~sector boundary of BDF Sector 11.During the war in 1971, he held three posts.As an official of the Bangladesh Government, M. Hamidullah Khan was the Principal Representative of Guerilla Training at Chakulia, Bihar.