S. ILANGO, Senior Lecturer, Department of Mechanical and Industrial Engineering, Caledonian College of Engineering, Sultanate of Oman. Prior to joining academia, he has had more than 30 years of industrial experience in manufacturing hydraulic and pneumatic components and power units, and cylinders. V. SOUNDARARAJAN, Ph.D., Principal, VLB Janakiammal College of Engineering and Technology, Coimbatore. He received his doctoral degree from IIT Madras. He has more than 28 years of teaching experience in various capacities at leading engineering institutions. He has wide research experience in the field of manufacturing. He has more than 150 research publications, both national and international, to his credit.