Technical Proposal Reviewer:

Scheme for Promotion of Academic and Research Collaboration (SPARC), MHRD

RESPOND Programme, ISRO

Journal Refereeing:

Journal of Cosmology and Astroparticle Physics (JCAP), Journal of High Energy Physics (JHEP), Physics Letters B, European Physical Journal C, Pramana, Indian Journal of Physics, Classical and Quantum Gravity, Annals of Physics, MNRAS

Organizational Work:

Organizer: Less Travelled Path for Dark Matter - November 2020, ICTS, Bengaluru

Organizer: Advances in Astroparticle Physics and Cosmology (AAPCOS), January 2020, SINP, Kolkata

Organizer: IV Saha Theory Workshop - Modern Aspects of String Theory, February 2018, SINP, Kolkata

Organizer: Advances in Astroparticle Physics and Cosmology (AAPCOS), January 2018, SINP, Kolkata

Convener: Parallel session on Cosmology, Inflation, String Cosmology at SUSY, 2017, TIFR, Mumbai

Organizer: VII Topical Conference on Gravity and Cosmology (Eastern Region), March 2017, IACS, Kolkata

Convener: III Saha Theory Workshop - Aspects of Early Universe Cosmology, January 2017, SINP, Kolkata

Organizer: II Saha Theory Workshop - Multi-loop and Multi-leg processes for precision physics at the LHC, February 2016, SINP, Kolkata

Seminar Coordinator: Along with another colleague, I have coordinated the weekly seminar of Theory Division, SINP (2014-2016)

Working Group Coordinator: Cosmology and Astroparticle Physics Section, WHEPP, December 2015, IIT, Kanpur

Convener: Saha Theory Workshop - Cosmology at the Interface, January 2015, SINP, Kolkata

Convener: Topical Conference on Gravity and Cosmology (Eastern Region), December 2013, SINP, Kolkata

Convener: Know Your Neighbour - Astronomy Workshop, March 2013, IISER, Bhopal