Professional Appointments:
- Visiting Scientist, RISH, Kyoto University, Kyoto, Japan (February 15-March 14, 2016) under Indo-Japan Project “Comprehensive study of particle acceleration processes in Earth’s magnetosphere during extreme space weather events”
- Visiting Associate Professor, RISH, Kyoto University, Kyoto, Japan (August 1, 2013-January 31, 2014).
- Visiting Scientist, University of the Western Cape, Bellville and Hermanus Magnetic Observatory, Hermanus, South Africa (May 7 – June 7, 2008, July 2- August 11, 2009, May 5- June 27, 2010, April 16- June 10, 2011, February 13- March 23, 2012, August 17- September 17, 2012, April 13- June 8, 2013, September 1- October 1, 2014, September 22- October 21, 2015).
- Visiting Scientist, University of Witwatersrand, Johannesburg, South Africa and University of Kwazulu-Natal, Durban, South Africa (March 2 – May 14, 2007).
- Visiting Scientist, Bulgarian Academy of Sciences, Sofia, Bulgaria (Sept. 10 – Oct. 7, 2006, Sept. 21 – Oct. 16, 2005) under Indo-Bulgarian project “A Study of ELF/ULF Waves and Field-Aligned Current System by Satellite and Ground Based Measurements”.
- JSPS Long-term Invitational Fellowship (October 2003-June 2004), Research Institute for Sustainable Humanosphere (RISH), Kyoto University, Kyoto, Japan.
- Visiting Scientist, University of Natal, Durban, South Africa and Physics Department, Univ. of Durban-Westville, Durban, South Africa (May 12-June 8, 2002).
- Visiting Scientist, M.L. Sultan Technikon, Durban, S. Africa and Physics Department, Univ. of Durban-Westville, Durban, S. Africa (September 9-October 4, 2001).
- Post-Doctoral Fellow, Physics Department, Univ. of Durban-Westville, Durban, South Africa (April-December 1996).
- Research Officer, Physics Department, Univ. of Durban-Westville, Durban, South Africa (April 1995-March 1996).