ASSAM Chief minister Sir Muhammad Saadulla Chief minister 1937-38 Gopinath Bordoloi 1890-1950 Chief minister 1938-39 Sir Muhammad Saadulla Chief minister 1939-46 Gopinath Bordoloi 1890-1950 Chief minister 1946-50 Bishnu Ram Medhi 1888-1981 Chief minister 1950-57 Bimali Prasad Chaliha 1912-1971 Chief minister 1957-70 Mahendra Mohan Choudhury 1908-1983 Chief minister 1970-72 Sarat Chandra Sinha 1914-2005 Chief minister 1972-78 Golap Borbora Chief minister 1978-79 Jogendra Nath Hazarika 1924 Chief minister 1979 Anwara Taimur 1936 Chief minister 1980-81 Shri Kesab Chandra Gogoi 1922-1998 Chief minister 1982 Hiteshwar Saikia 1934-1996 Chief minister 1983-85 Prafulla Kumar Mahanta 1952 Chief minister 1985-90 Hiteshwar Saikia 1934-1996 Chief minister 1991-96 Bhumidhar Barman Chief minister 1996 Prafulla Kumar Mahanta 1952 Chief minister 1996-2001 Tarun Gogoi 1936 Chief minister 2001-