NISIT K. DE, PhD, formerly Professor at IIT Kharagpur (1968–2007), is presently Visiting Professor, Department of Electrical Engineering, Narula Institute of Technology, Kolkata. With several papers to his credit in national and international journals.
DR. PRASANTA K. SEN (Ph.D.) is Assistant Professor, Department of Electrical Engineering, Regional Engineering College, Durgapur. He has been teaching Electrical Machines and Electrical Machine Design since 1968. He has guided several M.Tech. theses and published ten papers in national and international journals.