Later Life
After retiring from the game Ao studied medicine at R. G. Kar Medical College and Hospital, Calcutta. After completing his MBBS, he went back to Nagaland. There he became the director of Nagaland Health Service in 1978. He is also remembered for promoting sports in North East India. In 2002 Mohun Bagan honored him with the Mohun Bagan Ratna Award.
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