The author Dinesh Gupta is a short service commissioned officer of Indian Air Force and obtained his Bachelor s degree in Mechanical Engineering from MotiLal Nehru National Institute of Technology, Allahabad in 1985. He did his M.Tech degree in Industrial Engineering from Dr. B.R. Ambedkar National Institute of Technology, Jalandhar in 2013. He has wide work experience of over 25 years in maintenance engineering and teaching. Presently, working as an Associate Professor in Department of Mechanical Engineering, Dronacharya College of Engineering, Gurgaon. He has one research paper to his credit published in International Journal.