Head, Guidance and Counselling unit, IITM, 1983-85
Head, Telecommunications and Computer Network group.The group constitutes of 11 faculty members over 100 project staff and about 100 Ph.D./ MS/ M.Tech/ B.Tech students + 300 engineers from industry : 1987 – present
Head, Department of Electrical Engineering, IITM: 1998-2001
In-charge of several Computerisation work at IITM at various times including Library Computerisation, Academic Record Computerisaion and Telephone Bill Computerisation.
In-charge of Telecom facility on IIM Campus for several years.
Chairman of several National Advisory and R & D committees including the National Advisory Committee on Communications and Information Technology
Member, Development Council of Department of Telecommunications and Department of Information Technology, Government of India
Member of Governing Board of six limited companies
Advisory/Governing board member of several institutes including JNU, CEERI, Pilani and Anna University KBC Center
Advisory/Governing board member of several Centers including Centre for Policy Studies, Centre for Science & Environment, Centre for Indian Knowledge Systems, and Lok-Swasthya Parampara Samwardhan Samiti (LSPSS).
Advisory Board member of several Venture funds
Advisory Board Member of Treasurer, Patriotic and People Oriented Science and Technology (PPST) Foundation: (1983 – present)