He formerly served as 12th Defence Secretary of India (1973 to 1975), Home Secretary of India (1971 to 1973) and the Chief Secretary of Uttar Pradesh (1958 to 1961). He is considered[by whom?] to be one of India's most senior and respected civil servants.
He also served as Adviser and Secretary to the King of Nepal from 1951 to 1954.
He was selected as a member of the Imperial Civil Service in 1939 and was Home Secretary of India and Defence Secretary of India before retirement. As Home Secretary, he played a crucial role during the Indo-Pakistani War of 1971. He then became Defence Secretary, a post he occupied between 1973 and 1975. He was also chief secretary of Uttar Pradesh, and was deputised to build relations between India and Nepal in 1951 as Adviser to the King of Nepal.