Dr. Kaushik Kumar, B.Tech (Mechanical Engineering, REC (Now NIT), Warangal), MBA (Marketing, IGNOU) and Ph.D (Engineering, Jadavpur University), is presently an Associate Professor in the Department of Mechanical Engineering, Birla Institute of Technology, Mesra, Ranchi, India. He has 20 years of Teaching & Research and over 11 years of industrial experience in a manufacturing unit of Global repute. His areas of teaching and research interest are Composites, Optimization, Non-conventional machining, CAD / CAM, Rapid Prototyping and Quality Management Systems. He has 14 Patents, 60+ Books, 30+ Edited Book Volume, 65+ Book Chapters, 180+ International Journal, 21 International and 1 National Conference Publications to his credit. He is on the editorial board and review panel of many International and National Journals of repute. He has been felicitated with many awards and honours. Dr. Divya Zindani, BE (Mechanical Engineering, Rajasthan Technical University, Kota), M.E. (Design of Mechanical Equipment, BIT Mesra), and Ph.D. (Mechanical Engineering, National Institute of Technology, Silchar), is presently an Assistant Professor in the Department of Mechanical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Tamil Nadu, India. He has over 2 years of Industrial experience. His areas of interests are Optimization, Product and Process Design, CAD/CAM/CAE and rapid prototyping. He has 6 Patents, 7 Authored Books, 7 Edited Book, 20 Book Chapters and 20 international Journal publications to his credit. He has been felicitated with awards.