Abstract
In a space of four years, three Nobel Prizes in physics have been awarded in area of relativity, relativistic astrophysics and cosmology. This note will limit itself to Nobel Prizes in 2017 and 2020 to which India has made significant contributions in the past. The 2020 Nobel Prize in Physics was shared among Roger Penrose, Andrea Ghez and Reinhard Genzel. Penrose received the prize for establishing that black holes are a robust prediction of general relativity. The 2017 Nobel Prize went to Rainer Weiss, Kip Thorne and Barry Barish for decisive contributions to the LIGO detector and the observation of gravitational waves. From India there were significant contributions to these discoveries towards the understanding of black holes, formation of singularities and direct detection of gravitational waves. This note describes and also highlights these contributions.
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