National Seminar on “ICT enabled Teaching and Learning for Higher Education”, September 24-26, 2009, UDSC, New Delhi.
National Seminar on “Internetworking Technologies”, August 2006, UDSC, New Delhi.
International Symposium on “Emerging trends in Networking Technologies”, Nov. 5-6, 2001, UDSC, New Delhi.
International Workshop on “ICT For Sustainable Development”, Nov. 30, 2001, UDSC, New Delhi.
International Symposium on “Multimedia Content Creation for Societal Transformation”, Dec. 16, 2000, India International Centre, New Delhi.

IP-WiS’13, to deliver invited talk in International Conference on Information Processing and Wireless System, Djerba, Tunisia during 21-24 March, 2013.
ICIC, Daedeok Innopolis, to deliver invited talk in International Conference on innovation cluster (ICIC). South Korea, to be held on September 19-20, 2012.
El Ghazala Technopark, setup a virtual innovation network for sustainable development, Tunisia, July 5-7, 2010.
Development and Management of Innovation Cluster (Science and Technology Parks), Organized by Daedok Innopolis, Daejeon. South Korea, November 2-15, 2008.
MoodleMoot’08, to deliver the talk “Building Enterprise Learning Environments” in International Conference on Virtual Learning. San Francisco, USA, June 9-11, 2008.
ICIC, Daedeok Innopolis, to deliver invited talk in International Conference on innovation cluster (ICIC). South Korea, May 19-20, 2008.
ICIC, Daedeok Innopolis, to present paper in International Conference on innovation cluster (ICIC). South Korea, April 17-19, 2007.
Information and Communication University (ICU), Open Source based research collaboration for e-learning platform. South Korea, Nov. 6-8, 2006
University of Brighton, Workshop on EU-India Innovation Network. UK, July 6-22, 2002.
University of Brighton, collaborative research on learning technologies. UK, September, 2001
University of Manchester in Science and Technology (UMIST) under Commonwealth Fellowship, ALT-C 2000, 2000