Born in Santiniketan,to a distinguished landed family from East Bengal (now Bangladesh).
Received high-school education at St Gregory's School in Dhaka in 1941. Then studied at the Visva-Bharati University school and Presidency College, Kolkata. Moved to Trinity College, Cambridge, where earned a First Class First BA (Honours) in 1956 and then a Ph.D. in 1959.
Has taught economics at Calcutta, Jadavpur University, Delhi School of Economics, Oxford, London School of Economics, Harv ....