The first meeting of Constitutional Committee Assembly was held in Parliment after a gap of two years, 11 months and 17 days. The Congress started its work of framing the Indian Constitution. Muslim League boycott failed to prevent Constituent Assembly opening. From 16th August 1946, the country witnessed communal riots on an unprecedented scale. At this crucial juncture, on 20th February 1947, Clement Atlee the British prime minister, fixed June 1948 as a deadline for transfer of power and Lord Mountbatten was appointed as the new Viceroy.