Invited Special Presentation Lecture, (SPL-10), Fifth International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, May 23-29, 2010 in San Diego, CA, Organized by Missouri University of Science and Technology, USA.
Invited Plenary Speaker, Asian Regional Conference (ARC) on Soil Mechanics and Geotechnical Engineering, Kolkata, India, Dec 10-14, 2007, Delivered on December 11, 2007.
Invited Speaker, International Geotechnical Conference 'Development of Urban Areas and Geotechnical Engineering' Saint Petersburg, 16-19 June 2008; 4, Izmaylovskiy prosp., Saint Petersburg- 190005, Russia.
Keynote speaker, 4th International Conference on Disaster Mitigation and rehabilitation, Semarang, Indonesia, September 10-11, 2007.
Invited speaker, 1st International workshop on Disaster Mitigation and rehabilitation, Semarang, Indonesia, September 11, 2007.
Invited special lecturer at the 12th Japan Symposium on Rock Mechanics and the 29th West-Japan Symposium on Rock Engineering, September 2-4, 2008.
Keynote lecturer, International Symposium on Geomechanics and Geotechnics of Particulate Media, IS Yamaguchi 2006, Ube, Yamaguchi, Japan, September 12-14 2006.
Panelist, International Conference on High performance computing, Feb 28th to Jan 2nd , IIT New Delhi.
Invited Keynote lecturer on the topic 'Microzonation of Bangalore', Indo-Norwegian symposium on microzonation, Held at New Delhi during 18-19th March 2006.
Invited lecture for a workshop titled 'Sand production techniques in petroleum boreholes' Sand Conference, Kaula Lumpur, Malaysia, organized by IQPC, September 19-September 23, 2003.
Theme Lecturer on environmental issues and waste management related to fiber reinforced composites, Two-day International Demonstration-Cum-Training Workshop on Design and Development of Fiber Reinforced Composites, Organized by the Center for Science and Technology of the Non-aligned and other Developing Countries, at Bangalore, September 15-19, 1998, NAL Campus, Bangalore.