Dr. Roul finished his graduation in Science with Mathematics honours from Utkal university and postgraduation in Mathematics with specialization in Numerical Analysis from Ravenshaw University. He has hold a first-class first position in M.Sc in Ravenshaw University. Dr. Roul received his Ph.D degree in Mathematics from the University of Magdeburg, Germany in 2009. After finishing his doctoral studies, Dr. Roul joined the applied Numerical mathematics group, headed by Prof. K. Siebert, at the University of Duisburg-Essen, Germany in June, 2009 as a postdoctoral researcher. He had been involved in both research and teaching activities there. Dr. Roul afterwards moved to the research group of Prof. M. Hoschneider, Institute of Applied Numerical mathematics, Potsdam University, Germany for another postdoctoral work. Before joining the VNIT, Nagpur, Dr. Roul was employed as a postdoctoral research fellow at the Institute of Mathematics, University of Toulouse, France. He has ten publications in international peer reviewed journals and contributed in book chapter. Dr. Roul also serves as reviewer for many international scientific journals.