Subir Ray, Ph.D., is Professor, Department of Electrical and Electronics Engineering, MVJ College of Engineering, Bangalore. He was formerly Advisor ICT and Professor of Electrical Engineering Department at G.B. Pant University, Pantnagar. Professor Ray has more than 38 years of experience in teaching at the undergraduate and postgraduate levels in the areas of high voltage engineering, power systems, electrical measurements, and micro-processors. He has published several research papers in national and international journals. He is also the author of Electrical Power Systems: Concepts, Theory and Practice, published by PHI Learning, New Delhi.