Dr. Arbind Prasad has completed his Ph.D. (mechanical engineering) from the Indian Institute of Technology Guwahati, Assam, India. He has earned a gold medal in his M.Tech. He is currently working as an assistant professor and head of mechanical engineering in the Department of Science, Technology and Technical Education, Government of Bihar, at Katihar Engineering College, Katihar, Bihar, India. He has four granted patents out of his research work. He has 14 international journal papers, edited 12 books (Wiley Publishing, CRC Press (Taylor & Francis) USA, De Gruyter, Elsevier, Apple Academic, etc.), 33 book chapters, and 15 reputed international conference papers to his credit. He has completed numerous projects funded by the state government. He is an associate editor for the International Journal of Materials, Manufacturing and Sustainable Technologies (IJMMST) and an early career editor for the International Journal of Mathematical, Engineering and Management Sciences (IJMEMS). Prof. Vimal Katiyar is currently serving as a professor in the Chemical Engineering Department at the Indian Institute of Technology Guwahati (IIT Guwahati), Assam, India. He has vast experience in teaching, research, and administrative programs. He has published more than 150 articles in various reputed international journals. He holds about 29 granted/published patents to his credit. He has edited six books. His research interests include biodegradable polymers, resorbable scaffolds, plastic and its processing, biomaterials, resorbable polymers, processing, nanomaterials, drug delivery, 3D bioprinting, internal fixation devices, sustainable polymer synthesis and scale-up activities, polymer processing, rheology, structure property relationship, development of polymer-based nanomaterials and its technologies polymer degradation and migration toxicological studies etc.