Participant and Later Counselor Summer NSF (U.S.A.), Ross Program for Students with exceptional ability in Mathematics. OHIO STATE UNIVERSITY and UNIVERSITY OF CHICAGO 1974--1976.

FBLJA Fellow, WORLD LAB, CERN, Geneva, 1989-1990

Member, International Advisory Committee, 'International Conference for Squeezed States and Uncertainty Principle' 1997, 1999, 2001

Senior Associate, Inter University Center For Astronomy and Astrophysics,1999-2004 .

Theoretical Physics Seminar Circuit speaker. 1993-1994 and 2000-2004.

Referee, PHYSICAL REVIEW, Journal of Physics A, Pramana,

Current Science. Awarded Citation to Women Physicists for “Invaluable Contribution to Physics”, From Mother Teresa University, Kodaikanak, TN, India, March 2011.

Principal investigator “ INDO-US Neutrino Collaboration”.