Associate UNESCO Chair in Communication: ORBICOM, Quebec, Canada.

Senior Member Institution of Electrical and Electronic Engineers (IEEE), USA.

Member Technical Committee of International Association of Science and TEchnology for Development (IASTED), Calgary, Canada.

Member Technical Advisory Committee of Centre for Development of Advanced Computing (CDAC), India.

Fellow of Institution of Electronics and Telecommunication Engineers (India).

Founder President, Society for Machine Aids for Translation and Communication (SMATAC) India.

Chairman of the Working Group on "Localisation and Language Technology Standards" under National e-Governance Program (NeGP)

Listed in Marquis World's WhosWho 2010.

Outstanding Achievement Award, International Institute of Informatics and Systematics, SCI97 (World Multi-conference on Systematics, Cybernetics and Informatics), Venezuela.

Man of the Year Award, 2001, American Biographical Institute, USA.

Listed in Men of Achievement, International Biographical Centre, Cambridge, England, 13th Edition, 1989.

Adjudged Best CS Teacher, Asian Institute of Technology, Bangkok, 1983.

Offered UNESCO Chair Professor, University of Mauritius, 1995.

Chairman, Computer Processing of Asian Languages (CPAL-2) 1992, STRANS-2001, STRANS-2002, International Symposium on MT, NLP & TSS (iSTRANS)-20004.

Invited Expert on occasion of release of CD for Hindi fonts and Web-site by Smt. Sonia Gandhi, Vigyan Bhavan, June 20, 2005.

Reviewer for IEEE, IAPR, ICDAR, IETE, IE, PR, IASTED, KBCS, CSI, C-HUM, CPAL publications.

Member Selection Committees for IITs, Universities and Ministries.

Member Project Monitoring and Evaluation Committees.

Member National Standardization Committees.

National Scholarship Holder during entire academic career.