He obtained his Bachelor's and Master's Degrees in Mechanical Engineering from Jadavpur University, Kolkata. He has served manufacturing industries like Guest-Keen-Williams (GKW) Ltd., Union Carbide Ltd. and Indian Railways in various areas of mechanical engineering for more than ten years. During more than the past twenty years he has been serving the government polytechnics in West Bengal as a faculty member in Mechanical Engineering. He has, in his credit, publication of five papers in different National and International journals in the field of Mechanical engineering. Mr. Roy Choudhury is presently working as Officer-in-Charge, Baruipur Government Polytechnic, 24-Paraganas (South), West Bengal.