He guided Mohun Bagan Athletic Club to a historic feat, winning the IFA Shield, Rovers Cup and Durand Cup respectively to achieve their first-ever triple-crown triumph in one season. He became the national coach in 1972, starting with the qualifying matches of the 1972 Munich Olympics. He went on to coach the Indian Football Team till 1986.[4] He joined the Tata Football Academy at Jamshedpur and served as its Technical Director from 1991 to 1997.[18] He was awarded the player of the Millennium in 2005 by FIFA.