Meetings at IMSc

Conversations
across cosmic time.

National meetings and scientific programmes convened in Chennai.

The second national Cosmic Connections meeting brings researchers in cosmology from across India together around the growing role of artificial intelligence and machine learning, while retaining a broad view of the early, intermediate and late Universe.

Programme structure

Conference · 7–9 September. Inflation, primordial perturbations, CMB and gravitational waves; dark ages, cosmic dawn, reionization and JWST; dark energy, large-scale structure, surveys, Lyman-α, 21 cm cosmology and tensions.

Workshop · 10–11 September. Hands-on sessions in simulation-based inference, neural and convolutional networks, Bayesian tools, survey science and theoretical modelling.

The meeting is intended for PhD students, postdoctoral researchers and faculty. Registration closes 25 July 2026.

Meeting website ↗Registration ↗

Meeting archive

Earlier programmes

2025

28 July–1 August
Ramanujan Auditorium
IMSc, Chennai

First edition

Cosmic Connections: Bridging the Early and Late Universe

This national meeting connected inflation, the CMB and primordial gravitational waves with cosmic dawn, reionization, JWST, dark energy, galaxy surveys, 21 cm cosmology and current tensions. Its goals were to deepen collaboration, strengthen the Indian cosmology community and India’s role in global missions. Participation was in person with no registration fee; selection closed 15 May 2025.

Public session: “India’s Cosmic Odyssey: From Earth to the Edge of the Universe,” 31 July 2025—covering LIGO-India, SKAO and the ECHO / CMB-BHARAT proposal, with the meeting streamed by IMSc.

Invited speakers

Jasjeet Singh Bagla — IISER Mohali
Arunima Banerjee — IISER Tirupati
Arka Banerjee — IISER Pune
Dibya Chakraborty — IIT Madras
Anirban Chakraborty — NCRA Pune
Samir Choudhuri — IIT Madras
Debika Chowdhury — IIA Bengaluru
Subinoy Das — IIA Bengaluru
Suratna Das — Ashoka University
Anirban Das — SINP Kolkata
Kanan Kumar Datta — Jadavpur University
Bihag Dave — Ahmedabad University
Saee Dhawalikar — IUCAA Pune
Koushik Dutta — IISER Kolkata
Kazuyuki Furuuchi — MCNS/MAHE Manipal
Prakash Gaikwad — IIT Indore
Raghuveer Garani — IIT Madras
Raghunath Ghara — IISER Kolkata
Tuhin Ghosh — NISER Bhubaneswar
Diptimoy Ghosh — IISER Pune
Gaurav Goswami — Ahmedabad University
Rajeev Kumar Jain — IISc Bengaluru
Rashi Jain — NCRA Pune
Nishikanta Khandai — NISER Bhubaneswar
Rishi Khatri — TIFR Mumbai
Girish Kulkarni — TIFR Mumbai
Samuel Sánchez López — IMSc Chennai
Anshuman Maharana — HRI Prayagraj
Debaprasad Maity — IIT Guwahati
Suvashis Maity — IISER Pune
Suman Majumdar — IIT Indore
Subha Majumdar — TIFR Mumbai
Suvodip Mukherjee — TIFR Mumbai
Suvedha Suresh Naik — IIA Bengaluru
Supratik Pal — ISI Kolkata
Vikram Rentala — IIT Bombay
P. Jishnu Sai — IISc Bengaluru
Tapomoy Guha Sarkar — BITS Pilani
Anjan Ananda Sen — CTP/JMI New Delhi
Saurabh Singh — RRI Bengaluru
R. Srianand — IUCAA Pune
Yashi Tiwari — IISc Bengaluru
Yogesh Wadadekar — NCRA–TIFR Pune

Meeting website ↗

2023

5–7 October
IMSc, Chennai

Centenary programme

Remembering Amal Kumar Raychaudhuri

A three-day mini-conference marking the birth centenary of Professor A. K. Raychaudhuri: his equation, his contributions to gravitation and cosmology, and memories of the scientist, teacher and visionary. Technical sessions on 5–6 October were followed by a student-outreach day on 7 October.

Distinguished speakers

Narayan Banerjee — IISER Kolkata
Sumanta Chakraborty — IACS Kolkata; T. Padmanabhan Memorial Lecture
Sudipta Das — Visva-Bharati
Ghanashyam Date — IMSc & CMI
Pankaj Joshi — Ahmedabad University
Sayan Kar — IIT Kharagpur
Parthasarathi Majumdar — IACS
Palash Baran Pal — University of Calcutta
Sreerup Raychaudhuri — TIFR
Soumitra SenGupta — IACS
L. Sriramkumar — IIT Madras
Amitabh Virmani — CMI
Spenta Wadia — ICTS

The programme fostered scientific exchange, paid tribute to a foundational figure in theoretical physics and introduced a new generation to his work.