 Member, Japan Economic Research Centre, Delhi Karnataka Sangha, Tokyo; Member, Governing Body, International Association for Research in Income and Wealth; Member, Governing Body, International Economic Association; Member, Governing Body, International Institute for Educational Planning; President, Indian Agricultural Economic Conference; etc.etc.He was member of several Commissions and Committees, prominent among which being Member-Secretary, Bombay Economic Industrial Survey Committee; Chairman, U.N Sub-Commission for Economic Development (which led to the establishment of the soft loan window of the World Bank, the IDA; Member, Taxation Enquiry Commission, Member, National Income Committee; Member, Planning Advisory Board, Government of India; Chairman, U.N Sub-Committee on Experts on Levels of Living; etc.