RAVINDRA P. SINGH, Ph.D., is Principal, Applied College of Management and Engineering Palwal, Faridabad. He has been Professor and Head of Electrical Engineering at Apeejay College of Engineering, Gurgaon. He obtained his doctorate from the Institute of Technology, Banaras Hindu University, Varanasi. He has more than twenty years of teaching and research experience. A recipient of the President of India Prize (in 1994–95 for research contribution), Dr. Ravindra Singh has published several research papers in national and international journals of repute.