Dr. Rupinder Singh is a Professor in the Department of Mechanical Engineering, National Institute of Technical Teacher Training and Research, Chandigarh. He has received a Ph.D. in Mechanical Engineering from the Thapar Institute of Engineering and Technology Patiala. His area of research is additive manufacturing, composite filament processing, rapid tooling, metal casting, and plastic solid waste management. He has co-authored more than 350 science citation indexed research papers, 10 books, and more than 150 book chapters, and has presented more than 100 research papers in various national/international journals. His research has been cited more than 10210 times with an H index of 47 and a google scholar i-10 index of 212. As per Standford University, He has been listed among the world's top 2% scientists.