Well yes he did spend most of work life outside India.But then he was in India for significant periods too. For example between 1961 to 1972 he was at the Delh

Well yes he did spend most of work life outside India.But then he was in India for significant periods too. For example between 1961 to 1972 he was at the Delhi School of Economics, where he completed his work Collective Choice and Social Welfare