Blackboards & auditoria
A selected, evolving archive of seminars, conference presentations and public lectures.
Schools, workshops & conferences
Cosmology Rapid Response Meeting, TIFR, Mumbai, 6–8 Apr 2010; 8th Meeting on Field Theoretic Aspects of Gravity, HNBGU Srinagar, 19–23 Apr 2010; Primordial Features and Non-Gaussianities, HRI Allahabad, 14–18 Dec 2010; poster, ICTP Summer School in Cosmology, 19–30 Jul 2010.
26th IAGRG Meeting, HRI Allahabad, 19–21 Jan 2011; Indo–UK Scientific Seminar, IUCAA Pune, 10–12 Aug 2011; COSMO 11, Porto, 22–26 Aug 2011.
UK Particle Cosmology Network, Portsmouth, 13–14 Sep 2011; International Conference on Gravitation and Cosmology, Goa, 14–19 Dec 2011.
Asia Pacific School / Workshop on Gravitation and Cosmology, Jeju Island, 19–22 Feb 2013.
Theories and Practices in Large Scale Structure Formation, APCTP Seoul, 15–16 Apr 2013.
Reconstructing the Universe, IEU Seoul, 3–5 Jun 2013; 1st APCTP–NBIA Workshop, Pohang, 21–25 Oct 2013.
New Perspectives on Cosmology, APCTP, 25–29 Nov 2013; Cosmology and Fundamental Physics IV, APCTP, 5–15 Dec 2013.
1st APCTP–TUS Workshop on Dark Energy, APCTP, Pohang, 2–5 Jun 2014.
Cosmological Quests for the Next Decade, KASI, Daejeon, 16–18 Apr 2014; 2nd NBIA–APCTP Workshop on Cosmology and Astroparticle Physics, NBIA, Copenhagen, 18–22 Aug 2014; Cosmology after Planck, MIAPP, Garching, 25 Aug–6 Sep 2014.
Concordances and Challenges in Cosmology after Planck, Sexten, 18–22 Feb 2019; Workshop on 21-cm Cosmology in the Square Kilometre Array Era, TIH–ISI Kolkata, 1 Nov 2022.
40th meeting of the Astronomical Society of India, IIT Roorkee / online, 25–29 Mar 2022; Cosmological Tensions and its Implication to Concordance Cosmology, IFPU Trieste, 12–23 Jun 2023.
32nd Meeting of the Indian Association for General Relativity and Gravitation (IAGRG32), IISER Kolkata, 21 Dec 2022.
4th BRICS–AGAC symposium, SGT University, Haryana, 17–19 Dec 2024.
Tensions and Anomalies on the Sky, Centre for Theoretical Physics, Jamia Millia Islamia, New Delhi, 6–8 Mar 2025.
Rethinking Cosmology, Raman Research Institute, Bengaluru, 10 Dec 2025.
Seminar chronology
ICTP Trieste; Royal Observatory Edinburgh; DAMTP Cambridge; APC and IAP Paris; CERN Cosmo Coffee and University of Geneva.
Bielefeld; Göttingen; Leiden; IAP and APC Paris — 9–18 July 2013.
University College London; Imperial College London; Kavli Institute for Cosmology Cambridge; CERN Cosmo Coffee — 30 July–13 August 2014.
IUCAA Pune and TIFR Mumbai — 16–17 October 2014.
Berkeley Center for Cosmological Physics and Princeton University — 6 and 18 April 2016.
ICAP seminar, Institut d’Astrophysique de Paris — 20 April 2017.
Imperial College London — 12 June 2017.
Institute of Mathematical Sciences, Chennai — 1 June 2018.
Institute of Mathematical Sciences, Chennai — 4 June 2018.
Institute of Theoretical Astrophysics, University of Oslo — 20 September 2018.
Tufts University — 12 September 2019.
Harvard–Smithsonian CfA and Brown University — 20 and 30 September 2019.
Physics of the Early Universe online programme, ICTS.
FACETS 2020 mathematics lecture series, IMSc.
Online seminar accompanying the PBH–SbGW–2FM slide archive.
Six lectures, including hands-on sessions, at the school-cum-workshop hosted by the Technology Innovation Hub, ISI Kolkata.
School programme ↗A three-stop sequence at IIT Madras, IIT Hyderabad and Ramakrishna Mission Vivekananda Educational and Research Institute, Belur Math.
Lectures at the First IAGRG School on Gravitation and Cosmology.
School page ↗Seminars at École normale supérieure, Institut d’Astrophysique de Paris, Astroparticule et Cosmologie, and the University of Bologna.
Lectures and tutorials at the Science Academies’ Refresher Course on General Relativity and Cosmology, St. Dominic’s College, Kanjirapally, Kerala.
Seminar at the Osservatorio di Astrofisica e Scienza dello Spazio (INAF–OAS), Bologna, Italy.
Cosmo-coffee seminar at CERN, Geneva.
Public lecture for National Space Day at the Centre for Astronomy and Planetary Sciences, Patrician College, Chennai.