Dr. D.K. Singh is a Professor and Head of Mechanical Engineering at the Netaji Subhas University of Technology, New Delhi, India. He has an extremely rich experience of both teaching and research for nearly three decades. He has contributed over 45 papers to various journals of national and international repute. He has also participated and presented papers at several national and international conferences. He has also authored 12 books. He is a life member of the Indian Society for Technical Education (ISTE), New Delhi.