• Member, American Society of Mechanical Engineers
  • Member, Institution of Engineers (India)
  • Member, National Computer Graphics Association (1983-84)
  • Reviewer, Transactions of ASME
  • Reviewer, Mechanism and Machine Theory
  • Reviewer, CSIR Journal of Science & Technology
  • Examiner, Union Public Service Commission, New Delhi
  • Member, Selection Board, Defence Research & Development Organization, New Delhi.
  • Reviewer, Journal Of Institution of Engineers (India)
  • Member, Selection Committee, I.I.T. Bombay
  • Member, Selection Committee, I.I.T. Delhi
  • Member, Selection Committee, I.I.T. Knapur
  • Member, Selection Committee, Aeronautical Development Agency, Bangalore
  • Member, Selection Committee, I.I.T. Guwahati