Academic work
The Indian Statistical Institute, New Delhi, (1982).
University of Hyderabad, Hyderabad,(1981, 1988, 1994, 1997).
Indian Institute of Technology, Kanpur - several visits during 1992-2002.
In various summer/winter schools organised by ISI, TIFR and NBHM.
Chairman/Member of the Organizing Committee for several summer/winter schools on
analysis and harmonic analysis on behalf
of ISI and the NBHM (1981, 1993, 1994, 2004 etc.).
University of California at Berkeley, University of Washington, Seattle; University of New South Wales, Australia; University of Melbourne, Australia; Australian National University; University of Sydney, Australia; University of Western Australia.