Popular Talks
`Singularity 2025’ talk, Indian Institute of Science & Educational Research, Bhopal, 9 Jan 2025
`Chai & Why?’ lecture, Prithvi Theatre, Juhu, 5 Jan 2025
`Curiosity’ lecture, Nalanda Academy, Wardha, 13 Dec 2024
137 Inverse - Physics club, IISER Berhampur, 29 Sep 2023
CBS Science Club, 27 Dec 2020
Oxford University Physics Society, 15 Oct 2020
Manthan, Vidyaranya High School, Hyderabad, 3 Sep 2019
Centre for Society & Policy, Bangalore, 13 Sep 2019
Jawaharlal Nehru University, Delhi, 19 Dec 2017
HAPP Centre, St. Cross College, 22 Jun 2016
Folkeuniversitet i Kobenhavn, 8 Dec 2014, 5/7 Dec 2017
TIFR Alumni Association-JRD Tata Public Lecture, 26 Jul 2013
Oxford University Scientific Society, 26 Apr 2012
Cambridge University Scientific Society, 11 Oct 2011
International Conf. on Leptons & Photons, Mumbai, 27 Aug 2011
Chipping Norton Amateur Astronomical Society, 21 Mar 2011
Oxford University Space & Astronomical Society, 1 Nov 2010, 17 Feb 2014
'Big Questions' Debate, Imperial College, London, 21 Jul 2009 [Report]
Intern. Year of Astronomy, Green Templeton College, Oxford, 3 Mar 2009
Homi Bhabha Centre for Science Education, Mumbai, 22 Dec 2008
Debates
Decolonising Science? (6th Symp. on ‘Literary Activism'), 21 Mar 2021
In search of dark energy (IAI Festival), Hay-on-Wye, 27 May 2019
What is reality? (IAI Festival), Hay-on-Wye, 27 May 2019
Interviews
How good is the evidence for Dark Energy?, 13 Feb 2020
Is the Universe Accelerating?, 27 May 2019
Mornings of Theoretical Physics
Saturday Mornings of Theoretical Physics:
Cosmic acceleration revealed by Type la supernovae?, 26 Oct 2019
The birth of gravitational wave astronomy, 6 May 2017
Seeing the high energy Universe with IceCube, 25 Jan 2014
Inner space meets outer space, 25 Jan 2014