sentences:  After the end of the war in December 1971, the Bangladesh government awarded him the Bir Uttam (medal) for his bravery and dedication, the second-highest military award in the country.He was appointed as the Chief of Army Staff of Bangladesh Army on 5 April 1972 by the Awami League government under Sheikh Mujibur Rahman.On 7 April 1972, General M. A. G. Osmani resigned from his post, and the Army command was given to Shafiullah, the Bangladesh Air Force to A. K. Khandker and the Bangladesh Navy to Nurul Haq.