)Railway Union and the North East Railway Mazdoor Union for several years and since 1946 the Vice-President (acting President because Subhas Chandra Bose was the President and he had escaped from India by then) of the All-India Railwaymen's Federation.Before independence Basawon Singh worked in the trade union movement with unabated zeal for the cause of democratic socialism, because trade unionism was one of the major factors for social change and social justice.