Mahima Khanna wins Cambridge prize, joins Amritya Sen's league

23-year-old Mahima Khanna has become the third Indian to win one of Cambridge University's highest honors the Stevenson Prize. In fact she's the third one from Kolkata after Nobel laureate Amartya Sen to win the award. Mahima topped the 2010-11 M.Phil class of economics at Cambridge. Amartya Sen won the prize in 1956, Sir Partha Dasgupta, a Cambridge professor, won it in 1967.