Bachelor of Science with honors, University Calcutta, 1972; Bachelor with honors, Master of Arts, University Cambridge, 1976; Master of Science, University Illinois, 1979; Doctor of Philosophy, University Illinois, 1981.
Visiting lecturer University Calcutta, 1977. Research and teaching assistant University Illinois, Urbana-Champaign, 1977-1981. Visiting scientist Royal Institute of Technology, Stockholm, 1981.
Senior member technical staff Philips-Signetics, Sunnyvale, California, 1981-1988. Advisory scientist International Business Machines Corporation, Burlington, 1988-1991. Associate Professor ,r Jadavpur University, Calcutta 1991.-2013.
Participant Institute of Electrical and Electronics Engineers Conferences, since 1981
Member Institute of Electrical and Electronics Engineers (senior ), American Physical Society, University Illinois Alumni Association (life).
Son of Santi Ranjan and Malati Bhattacharyya. Married Sharmila Mukherjee, August 14, 1982; 1 child, Tania.