2012 Member Scientific Advisory Committee, Indian Institute of Astrophysics (IIA), Bangalore.
2010 :- Chairman Review panel of TIFR Balloon Facility.
2010:- Member,’State Council of Climate change’, Govt: of Himachal Pradesh
2004 -2006 :- Member, Governing Council, Indian National Centre for Ocean Information Services, Hyderabad
2003-2004: – Member of the International Academy of Astronautics Study Team on `Space to promote peace –initial focus on reconstruction of Afghanistan.
2002-2004 :- President, Indian Society of Remote Sensing.
1999-2001 :- President, Gujarat Science Academy.
1999 onwards :- Consulting Faculty, Taleem Research Foundation, Ahmedabad
1997-1998 :- Member, Steering Committee, Centre for Development of Advanced Computing, C-DAC, Pune
1997-2000 :- Member, Research Council, National Institute of Oceanography
1996-2000 :- President, Technical Commission-I, International Society for Photogrammetry and Remote Sensing (ISPRS)
1996-1999 :- President, Indian Society of Geomatics
1994-1997 :- Member, Research Council, Central Glass and Ceramic Research Institute, Calcutta
1994-1996 :- President, Indian Society of Remote Sensing
1993-1996 :- Vice-President, Indian Society of Geomatics
1993-1996 :- Member, Management Council, Vikram Sarabhai Centre for Development Interaction (VIKSAT)
1992-1998 :- Member, Andhra Pradesh State Remote Sensing Applications Centre Society.
1989-1998 :- Member, Governing Body of Centre for Earth Science Studies, Trivandrum
1988-1998 :- Member, Advisory Committee for Remote Sensing Applications Centre (Madhya Pradesh), Bhopal.
1988-1991 :- Member-Secretary, Indian National Committee for Space Research (INCOSPAR)
1985-1988 :- Member, Governing Council, Indian Institute of Astrophysics (IIA), Bangalore