Vice-Chancellor of the University of Kalyani. 

Professor of Mathematics, Jadavpur University, Kolkata. 

Professor of Chemistry, IISER Kolkata

SS Bhatnagar Awardee in Chemical Sciences (2018). Fellow of the Indian National Academy of Sciences and the Indian Academy of Sciences.

Director, A.K. Choudhury School of Information Technology, University of Calcutta

Emeritus Professor of Physics, University of Calcutta. 

S.S. Bhatnagar Awardee in Physical Sciences and Fellow of all three National academies 

Honourable Vice-Chancellor, Diamond Harbour Women’s  University

Senior Professor H+, Saha Institute of Nuclear Physics, Kolkata

Fellow of the National Academy of Sciences

IISER, Kolkata

Professor of Geology, Jadavpur University, Kolkata

S.S. Bhatnagar Awardee in Earth Sciences and Fellow of all three National academies

Professor of Chemistry, Indian Association for the Cultivation of Sciences, Kolkata

S.S. Bhatnagar Awardee in Chemical Sciences and Fellow of the Indian Academy of Sciences

Professor of Mathematics, Ramkrishna Mission Vivekananda Educational and Research Institute, Belur. 

Former Professor of Harischandra Research Institute and Fellow of the National Academy of Sciences.

Professor of Chemistry, IISER, Kolkata

S.S. Bhatnagar Awardee in Chemical Sciences and Fellow of the Indian Academy of Sciences

Aliah University

Aliah University

President, West Bengal Council of Higher Secondary Education