India’s national team emerged victorious at the 18th International Olympiad on Astronomy and Astrophysics (IOAA) 2025, held in Mumbai from 15th to 21st August, winning four gold medals and one silver medal.

Abstract

The Indian contingent was mentored by team leaders professor Jasjeet Singh Bagla and Dr Harvinder Kaur Jassal from the Indian Institute of Science Education and Research (IISER) Mohali. Bagla shared that the team was selected after a rigorous orientation-cum-selection camp at IISER Mohali after the Indian National Astronomy Olympiad. Of the 54 shortlisted students, 37 were selected for intensive training sessions at IISER in May and June. Based on their performance, a team of five was chosen to represent India".