- President, South Asian University (A University established by SAARC Nations), 2024 – current
- Former Chairman, National Board of Accreditation, India
- Sectional President (IT & CS Section) in the Indian Science Congress Association
- President, SEARCDC (South East Asia Regional Computer Confederation), 2008-2010.
- President of South East Asia Regional Computer Confederation (SEARCC) , 2008-10.
- President, Computer Society of India(CSI), 2007-2009.
- President of the Institution of Electronics and Telecommunication Engineers (IETE), 2002-2004.
- Chairman, DOEACC, Ministry of Communication * Information Technology, 2002-2004.
- Member, Board of Governors, Indian Institute of Technology, Patna.
- Member, Board of Governors, Madhav Institute of Technology & Science, Gwalior.
- Member, UPSC Committee on Restructuring IAS (Preliminary Exam).
- Member, MHRD Taskforce on Faculty Availability in Higher Education Institutions and Performance Appraisal of Teachers.
- Decorated with several awards including the Guest Editor Award by IEEE, USA.
- President of the section of Information & Communication Science & Technology (including Computer Sciences) for 2004-2005 (92nd Session, the Indian Science Congress Association)
- Former Chairman, Board of Governors, MNIT, Jaipur.
- Founder Vice-Chancellor of Guru Gobind Singh Indraprastha University from December, 1998 to November, 2008
- Pro Vice-Chancellor, Guru Jambheshwar University (Technical University of Haryana), Hisar for a period of three years
