Ugir was born in Burdwan on 1st January, 1977. He obtained his M.Sc. degree in organic chemistry from Jadavpur Uiversity in 2001. He received his Ph.D in 2007 from Chittaranjan National Cancer Institute-Jadavpur University, Kolkata In 2007. He did postdoctoral research from National Brain Research Centre-Gurgaon, Pennsylvania State University-USA, Wayne State University-USA and Osaka Prefecture University-Japan for around more than five years. After return to India he joined at CSIR-Institute of Himalayan Bioresource Technology, Himachal Pradesh with his Fast Track Young Scientist Research grant as Principal Investigator. Later he appointed as a Scientist Fellow in the same Institute during (2015-2018).  In August 2018, he joined to the Department of Clinical and Translational Research, Chittaranjan National Cancer Institute, Kolkata as Scientist (Senior Scientific Officer-II). His research focuses on nano-drug delivery formulation of multidisciplinary approaches (based on synthetic organic chemistry and polymer chemistry) of the clinically relevant anticancer drugs and their preclinical application for patient health benefits.