Associations
| Board | Member | Advisory | Social |
- IT Task Force for Uttranchal, Dehradun, 1999 - 2000
- The Board of Studies, University of Madras, 1999 - 2002
- The Knowledge Network for Augmenting Grassroots Innovation (KnowNet-Grin), IIM Ahmedabad, 2000 - Present
- The Working Group on Information Technology for Masses, MIT, New Delhi, 2000
- Chairman of the Steering Committee of the Photonics Development Programme of MIT, New Delhi, 2000 - Present
- Chairman of the National Advisory Committee of ISRO, Ahmedabad 2001 . Present Member in the Research Advisory Committee, Centre for Indian Knowledge Systems, Chennai, 2001 - Present< li>
- Committee constituted to evolve a Mission on Information Security by the Principal Scientific Advisor (PSA), Govt. of India, 2001 - Present
- Development Council for Telecom Sector, Ministry of Communications, New Delhi, 2001 - Present
- The Advisory Committee for Technology Information, Forecasts and Assessment Cell of the MIT, New Delhi, 2001 - Present
- The Task Force for Information Technology, Government of Tamil Nadu, Chennai, 2001 - Present
- Reconstitution of the Science and Engineering Research Council (SERC) for the period (2001-2004)
- The Working Group on Information Technology Sector for the Tenth Five Year Plan (2002-2007)
- The Working Group on Telecom Sector for the Tenth Five Year Plan (2002-2007)
- Chairman of the Advisory Committee, Information Technology Institute for the Tribes of India (ITITI) Dehradoon, 2001 - Present
- The Task Group for Industry-academia level links in Telecommunication between India and UK (2001 - 2006)
- Chairman of Inter Departmental of Technical group for Satellite Systems ¾ IT Task force.
- Chairman of the Confederation of Indian Industry Tamil Nadu Task Force on Industry-Institute-Interaction, 2003-2004
- SPIE India Chapters, 2003-2005
- IT Task Force, Government of Rajasthan, Jaipur - 2004
- Advisory Committee Member at Nabard, Mumbai.
- "National Focus Group on Educational Technology" at National Educational Research and Training, New Delhi
- The "Emerging Markets Advisory Board (EMAB)", for Microsoft Research India, New Delhi
- The Scientific Advisory to the Prime Minister (SAC-PM) for the year 2005.
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