Indian Institute of Technology Madras, Chennai, India, December 2019 (DST-SERB project review)
National University of Singapore, Singapore, June 2017 (Conference)
Indian Institute of Technology Gandhinagar, Gujarat, India, December 2016 (Conference)
University of Malaya, Malaysia, June 2016 (Research Interaction)
Gold Coast, Australia, December 2012(Conference)
Nanjing University of Aeronautics & Astronautics, Nanjing, China, October 2012(Conference)
Pohang University of Science and Technology, Pohang, South Korea, August 2012 (Conference)
Jeju Island, South Korea, December 2011 (Conference)
TU-Delft University, Netherlands, November 2011(Conference)
Long beach, California, Unites States of America, November 2010(Conference)
Korea University, Seoul, October 2010(Conference)
Chungnam National University, Daejon, South Korea, November 2009(Conference)
Lake Buena Vista, Florida,United States of America, November 2009(Conference)
Bali, Indonesia, June 2009(Conference)
Chonnam National University, Gwangju, January 2008 (Conference)