Chair, National Conference on Communications, 2008.
Chairman WG-4 Broadband Wireless Consortium of India.
Member, Technical Advisory Committee, Center for Excellence in Wireless Technology, Chennai 2008.
Member, Expert Group TEC, Ministry of Communications.
Member, Advisory Group, MTNL Telecom Training Mumbai.
Associate Member, Technical Advisory Board, Cradle Technologies India Pune 2000..
External Expert on the Review Committee and Selection Committees of CDAC, Pune.
Member, Vision Group in Information Technology, University of Pune.
Expert, Design Review Committee, Hybrid Satellite Internet System, ISRO, Ahemdabad.
Member, Board of Studies, Amaravati University.
Member, Sub Group formed by DoE, Government of India, in Jan-April 1997 to study IT Man Power requirements in India and IT education. The group comprised of top executives from IT companies and academicians.
Technical Program Committee of ADCOMP 1998 and 1999.
Technical Program Committee of HiPC 2002, 2003, 2004.
Technical program Committee of CIT 2002, 2003.
Technical Program Committee of ICBN 2003, 2004
Technical program Committee of IEEE WCNC 2005
Technical Program Committee of IEEE WCNC 2006
Technical Program Committee of ICBN 2006.
Technical Program Committee of WPMC 2007
Technical Program Committee of IEEE GLOBECOM 2008
Technical Program Committee of WISARD 2009
Reviewers for IEEE Communications Letters, IEEE Transactions on Networking, IEE Proceedings and IEEE Communications magazine, INFOCOM, ACM MobiHoc, GLOBECOM, SPCOM, Electronic Letters.
MS and MSc (Research) theses examiner of IIT Madras, IIT Delhi and IISc.
PhD theses examiner for IISc (2 theses), IIT, Delhi (2 theses). IIT Kanpur, IIT Madras (3 theses).