After the third war with India in 1971, Maj. Nasir went to Australia where he attended and graduated in staff course from the Australian Army Staff College. In 1980s, he was sent to attend the National Defence University (NDU) in Islamabad, and graduated with MSc in Strategic studies. In 1983–90, Major-General Nasir joined the faculty of the Armed Forces War College of the National Defense University (NDU), which he instructed courses on war studies for seven years, eventually promoted as chief instructor.