Born in Bengal, Roy trained at the Indian College of Art in Kolkata and later went on a French Government Scholarship. Roy has exhibited widely in India and abroad, participating in such major international exhibitions as: International Youth Art, Prague (1956), Paris (1965, 1966), Tokyo Print Biennale (1970), Contemporary Indian Art, Belgrade, Budapest and Prague (1971), III Triennale, New Delhi (1975).

Lives and works in Kolkata.