He received his PhD in Mathematics from International Max-Planck Research School at Ottovon-Guericke University, Magdeburg, Germany in 2010. After completing his PhD, he worked as a Postdoctoral Fellow at Montan University Leoben, Austria since 2010-2012. Later, he served as a Research Scientist at Radon Institute for Computational and Applied Mathematics (RICAM), Austrian Academy of Sciences, Linz, Austria since 2012-2014. He has authored one monograph on Mathematical and Numerical Analysis for Coagulation-Fragmentation Equations in 2011. Dr. Giri has published several research papers in the international refereed journals.