text: *Lecturer, 1952–53; assistant professor, 195658, Department of Chemistry, Dhaka University
  *Professor, Department of Chemistry and Applied Chemistry, Rajshahi University, 195890
  *Nuffield Fellow, Cambridge University, U.K. 196062
  *Dean, Faculty of Science, Rajshahi University, 1972
  *Commonwealth Senior Fellow, Cambridge University, U.K. 197374
  *Member, University Grants Commission (UGC), 197476
  *Vice Chancellor, University of Dhaka, 197683
  *Fellow of Bangladesh Academy of Sciences, 1979 
  *Asia Foundation Fellowship, 1984
  *President, Bangladesh Chemical Society, 198486
  *Senior Advisor in Basic Sciences, UNESCO, New Delhi, 198590
  *University of Asia Pacific, Dhaka, 199596
  *President, The Rajshahi University Teachers Association
  *Provost, Abdul Latif Hall, Rajshahi University
  *Senior Researcher, American Association for the Advancement of Science Washington D.C.