Dr Asis Kumar Chattopadhyay is Professor of Statistics, University of Calcutta, India. Professor Chattopadhyay has published more than 50 papers in reputed journals and four books. During the last twenty years he made significant contributions in the area of Astrostatistics. He is a Fellow of International Astrostatistics Association. He is also the coordinator of IUCAA Resource Centre, Kolkata, India. Dr Tanuka Chattopadhyay is Professor of Applied Mathematics, University of Calcutta, India. During the last thirty years she has contributed significantly in the areas like Astronomy, Cosmology and Astrostatistics. Asis and Tanuka have received "outstanding publication award" in 2016 for their Springer book "Statistical Methods for Astronomical Data Analysis" from International Astrostatistics Association