Gave lecture courses (of duration ofone to three months) on advanced topics
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.).
Served on selection/promotion committees for faculty at ISI, Institute of Mathematical
Sciences, Indian Institute of Science and Bombay University.
M. Phil and Ph. D. examiner for several institutes/universities such as T.I.F.R., I.I.T.-Kanpur,
University of Hyderabad, Delhi University, University of New South Wales.
Referee for international jounals such as Pacific J. Math., Israel J. Math., Journal of
the Australia Math. Soc., Proceedings of the American Math. Soc.
Member of several selection committee for M.Sc. and Ph.D. students. In-charge of the second
batch of the Nurture Programme (for four summers) on behalf of NBHM.
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.