"*Centre for Railway Information Systems (CRIS), New Delhi (November 2019 to March 2020 Sr. Consultant)
*The Jute Corporation of India Ltd. (JCIL), Kolkata (February 2011 to December 2015 Chairman & Managing Director )
*Indian Ports Association (IPA), New Delhi (July 2016 to July 2019 Chief Informatics Officer)
*The Jute Corporation of India Ltd. (JCIL), Kolkata (February 2011 to December 2015 Chairman & Managing Director )
*Telecommunications Consultants India Ltd.(TCIL), New-Delhi
March 2006 to February 2011 Group General Manager- e-Governance
November 2003 to February 2006 General Manager- IT &TC
*Satluj Jal Vidyut Nigam Limited (SJVNL), Shimla.
January 2000 to October 2003 Senior Manager-ICT
August 1996 to December 1999 Manager-IT
*Mining & Allied Machinery Corporation Ltd.(MAMC), Durgapur.
May 1990 to August 1996 Superintendent-EDP
June1983 to April 1990 Programmer
June 1980 to June 1983 Assistant Engineer
June 1979 to June 1980 Graduate Apprentice "