1. GATE fellowship from 2000 to 2005 in IIT Bombay.

2. Visited theory division, CERN, switzerland, during 25th June to 30th July 2007.

3. Visited theory division, Tata Institute of Fndamental research, Mumbai,India during 1st August to 30th September 2007.

4. Marie-curie fellowship from October 2007 to September 2009 at Department of Physics, Lancaster University, Lancaster, UK.

5. Visited department of physics, University of California, Riverside, USA, during 20th to 24th July 2009.

6. IUAP fellowship from October 2009 to September 2011 at Service de Physique theorique, University Libre de Bruxelles, Brussels, Belgium.

7. Visited theory group KEK Laboratory, Tsukuba, JAPAN, from 5th – 10th July 2013.

8. Taught “Particle Physics and standard model” as a guest lecturer to Ph.D. students in preparatory SERC school held at the BITs-pilani Hyderabad campus, Hyderabad during June 2-28, 2014.

9. Visited Service de Physique theorique, University Libre de Bruxelles, Brussels, Belgium from 27th September to 4th October 2014.

10. Given lectures on “dark matter” to Ph.D. students at the winter school in High Energy Physics held at school of Physics, University of Hyderabad, during 6th –11th March 2017.

11. Taught “Particle Physics and standard model” to Ph.D. students as a guest lecturer in DST-SERB preparatory school held at Tezpur University, Assam, during 14th October – 9th November 2019.

12. DST fast track award in 2012.

13. Guest Editor of Frontiers of Physics journal since Jan 2021.