R. Thanigaivelan, PhD, is working at the A.K.T. Memorial College of Engineering and Technology, Kallakurichi, India, as Principal. He has 18 years of teaching experience and 13 years of research experience. He has published more than 75 papers in SCI- and SCOPUS-indexed journals and has edited books from IGI Global. He has also authored book chapters. Dr. Thanigaivelan is supervising PhD scholars and is a member of several doctoral committees. He is a member of the Institution of Engineers (India), Quality Circle Forum of India, India Society of Technical Education, and Indian Institute of Production Engineers. Sanjay Singh, PhD, is Dean of the School of Engineering and Technology at Dhanalakshmi Srinivasan University, Tamil Nadu, India. He has 18 years of working experience in the aviation industry before switching to academia and now has 13 years of teaching experience with additional administrative responsibilities as Head of the Department. He has authored papers in SCI- and SCOPUS-indexed journals. He was in a leadership position for training boys and girls in schools and colleges for the National Cadet Corps (NCC). Clement Christy Deepak C., PhD, is a Manager of Gears and Gearbox projects at Eppinger Tooling Asia Pvt Ltd, Tamil Nadu, India. He has six years of teaching experience and five years of industrial experience. He has published papers in national and international journals, and holds two patents. He has conducted many funded seminars and workshops for student development. He is an editorial board member and reviewer for a number of national and international journals. He has published several books and also guided many projects for undergraduate students.