- Director, SINP, Kolkata (11 March 2020 - 11 March 2025)
- Acting Director, SINP, Kolkata (29 March 2019 - 11 March 2020)
- J.C. Bose National Fellowship, SERB-DST, Govt. of India (2017-22).
- Fellow of the Indian Academy of Sciences (IASc), Bangalore (2015).
- Fellow of the Indian National Science Academy (INSA), New Delhi (2013).
- Fellow of the National Academy of Sciences, India (NASI), Allahabad (2013).
- `Mercator' visiting Professor, T.U. Dortmund, Germany, in 2012 (Sabbatical).
- Adjunct Faculty: TIFR, Mumbai (2009-12, 2015-17).
- Scientific Associate at CERN Theory Division, Geneva, Switzerland, in 2007 (Sabbatical).
- B.M. Birla Science Prize in Physics (2005).
- `Regular Associate' of ICTP, Trieste, Italy (1998 - 2005).
- Postdoc: INFN / University of Pisa, Italy (Jan 1996 - Dec 1997).
- Postdoc: CERN Theory Division, Geneva, Switzerland (Jan 1994 - Dec 1995).
- Gold medal (Calcutta University) for topping M.Sc. Physics Exam (held in 1989).
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