Dr. Roy did his Postdoctoral Research work with Prof. Nurit Ashkenasy
, Department of Materials Engineering, Ben Gurion University of the Negev
, Israel for about four years. Before joining at BITS Pilani, K. K. Birla Goa campus, he worked as a DST Inspire Faculty, Department of Chemistry & Chemical Technology, Vidyasagar University
, India for about a year.