Santhosh Kumar S received his BE degree in Mechanical Engineering in 2011 from Visvesvaraya Technological University, ME degree in Advanced Materials Technology in 2013 from UVCE, Bangalore, and Ph.D in micro-machining from Indian Institute of Technology Madras in 2019. His current research areas of interest include micro-machining, surface engineering, and rheology of complex fluids. Somashekhar S. Hiremath works as an Associate Professor in the Department of Mechanical Engineering at Indian Institute of Technology Madras, Chennai, Tamil Nadu, India. He received the doctoral degree in 2004 from Indian Institute of Technology Madras, Chennai, Tamil Nadu, India. He has supervised 11 doctoral students, 5 MS (by research) and 43 M.Tech. students as of now. He has published more than 200 papers in national and international level. His current research areas are micro-machining, nano-materials synthesis, hydraulic hybrids, mechatronics system design, precision engineering, FEM, and hybrid machining processes. He is a member of many professional technical bodies.