Prof. Sushant Ghoshtokumar Ghosh is currently a Professor & Hony. Director at the Centre for Theoretical Physics, Jamia Millia Islamia, in Delhi, India. He received his PhD degree from Nagpur University. He is also a Visiting Associate at the Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune (since July 2001) and was an Honorary Professor at the College of Agriculture and Engineering, School of Mathematics, Statistics and Computer Science, UKZN (from 2013 to 2016). His main research areas include Gravitational collapse, Spinning black holes, Exact solutions, Causal structure of singularities, Relativistic stars, Modified theories, General relativity, Black hole thermodynamics, etc. He is a Life Member of the Indian National Science Congress (Calcutta), Indian Mathematical Society (New Delhi), Indian Association of General Relativity and Gravitation (Pune), and South African Gravitational Society, RSA.