Jagdeep Singh holds a Bachelor's degree in Mechanical Engineering, Master's degree in Production Engineering, and PhD degree in Mechanical Engineering. The author has published 42 research papers in international and national journals of repute.The author is working as an Assistant Professor in Mechanical Engineering Department at I. K. G. Punjab Technical University, Kapurthala, Punjab, India. The author is working as Editorial Board Member of 03 International Journals of Inderscience Publisher. His field of interest is management of production systems and operations management. Harwinder Singh holds a Bachelor's degree in Mechanical Engineering, Master's degree in Production Engineering, Master's degree in Business Administration and PhD degree in Mechanical Engineering. The author has published more than 100 papers in international and national journals of repute. The author is working as a Professor in Mechanical Engineering at Guru Nanak Dev Engineering College, Ludhiana, Punjab. India. His field of interest is management of production systems, operations management and decision making. Bhupinder Singh holds a Bachelor's degree in Mechanical Engineering and Master's degree in Industrial Engineering. The author is working as Assistant Professor in Mechanical Engineering Department at Lovely Professional University, Phagwara, Punjab, India. The author has published one book for the Polytechnic students. The author has one patent under his name. His field of interest is optimization, production management and quality control.