Professor in Political Science, Calcutta University (Retired 2008). Formerly Dean, Faculty of Arts, Calcutta University; Visiting Fellow in Political Science and Associate, Committee on South Asian Studies, University of Chicago; Visiting Fellow in Political Science at the University of Michigan (Ann Arbor) and University of Virginia (Charlottesville); Emeritus Fellow, UGC.
Authored 8 books and edited 3 books apart from contributing 81 papers and review articles to books, journals and newspapers.
