| M.Sc. in Chemistry, Calcutta University (1924) D.Sc. in Organic Chemistry, London University (1929) |
| Principal, Presidency College, Calcutta, India (1947) Director of Public Instruction, Government of the East Pakistan (1949-50) Chairman, Bangladesh Education Commission (1972-75) Director, East Regional Laboratories, PCSIR (now BCSIR) (1955-66) Founder President, BAS (1973-75) |
| In 1973 he was elected as the Founder President of Bangladesh Academy of Sciences. He was also a Founder Fellow of Pakistan Academy of Sciences. |