`Appreciating Key Design Aspects of QoS in WiMAX', Metanoia Workshop, Bangalore, July 2007.
`QoS in IEEE 802.16 Broadband Wireless Access: The Role of MAC, Cross-Layer Design and Scheduling', in NCC 2007, IIT Kanpur.
`Next Generation Optical Networks' half day tutorial in NCC 2003 (jointly with Dr Kumar Sivrajan of Tejas Networks)
`Unraveling QoS in IEEE 802.16 Wireless Broadband Access Networks: The Role of MAC, Cross-Layer Design and Scheduling', tutorial (jointly with Dr Vishal Sharma) in IEEE GLOBECOM, San Francisco, November 2006.
`Multiprotocol Label Switching', half day tutorial in National Conference on Communications, Jan 25-27, 2002, Bombay.
`Quality of Service Guarantees in Internet: Recent Trends', full day tutorial (jointly with Prof Dheeraj Sanghi of IIT Kanpur) in National Conference on Communications (NCC), Jan 28-30 2000, New Delhi.
Selected Invited Talks
`Next Generation Wireless Networks', Invited talk at CDOT, Bangaluru, India, August 2009.
`Trends in Networking', keynote talk in Tejas Networks Engineering Conference, August 2008.
`On- Line Learning Algorithm for Power Optimal Scheduling under Fading Channel', invited talk in International Conference on Stochastic Processes and Applications, IISc Bangalore, July 2007.
`Issues in providing Internet Services over cable TV Networks', Invited talk in Commsphere 2000, Feb 2000.
`Technology Convergence and Information Infrastructure', Invited talk in National Workshop of Advertising and Communications Industry held to discuss Broadcasting Bill 1997, Mumbai, July, 1997.
`High Performance Computing in India with specific reference to CDAC's PARAM', invited talk in 30th Annual Convention of Computer Society of India (CSI), Hyderabad, November, 1995.