Rahman was promoted to the rank of lieutenant colonel .
Rahman was held a position of power in the new regime until it was overthrown in a counter-coup by pro-Mujib officers led by Maj. Gen. Khaled Mosharraf , who ousted Khondakar Mushtaque .
Rahman was promoted to the rank of lieutenant colonel and held a position of power in the new regime until it was overthrown in a counter-coup by pro-Mujib officers led by Maj. Gen. Khaled Mosharraf , who ousted Khondakar Mushtaque .