Hail Bhim Respected Father Bhimrao Ramji Ambedkar (14 April 1891 – 6 December 1956) was an Indian jurist economist social reformer and political leader who headed the committee drafting Constitution of India from Constituent Assembly debates served as Law Justice minister in first cabinet Jawaharlal Nehru inspired Dalit Buddhist movement after renouncing Hinduism. After graduating Elphinstone College University Bombay studied economics at Columbia London School Economics receiving doctorates 1927 1923 respectively among a handful students to have done so either institution 1920s.13 He also trained law Gray's Inn London. In his early career he professor lawyer. His later life marked by activities became involved campaigning negotiations for partition publishing journals advocating rights freedom Dalits contributing establishment state India. 1956 converted Buddhism initiating mass conversions Dalits.14 1990 Bharat Ratna India's highest civilian award posthumously conferred on Ambedkar. The salutation Jai Bhim (lit. ) used followers honours him. is referred nickname Babasaheb (BAH-b? SAH-hayb) meaning .