Anurag Bajpai is an Alexander-von-Humboldt postdoctoral fellow at Max-Planck-Institut für Eisenforschung GmbH in Düsseldorf, Germany. His expertise lies at the intersection of artificial intelligence and materials science, where he employs cutting-edge techniques to advance the field of material design and development of sustainable advanced alloys. A significant portion of his research also revolves around the sustainable beneficiation and utilization of electronic waste to develop advanced materials such as metallic catalysts, carbon nanomaterials, and recovery of valuable rare earth metals.Arunabh Meshram is presently serving as Assistant Professor in the Department of Materials Science and Engineering, Indian Institute of Technology, Kanpur. He was awarded his PhD in Metallurgical Engineering from Indian Institute of Technology (BHU), Varanasi, India in 2019. His broad area of interest lies in the non-ferrous extractive metallurgy and materials recycling. He has published 19 articles as author and co-author in reputed journals, including 6 reviews articles. The publications have H-index and i-10 index of 12 and 14, respectively, with a total of 570 citations.Krishanu Biswas is currently working as Ranjit Singh Chair Professor at the Department of Materials Science and Engineering, Indian Institute of Technology, Kanpur. Biswas has made significant contribution towards understanding of the several important scientific and technological aspects of metallurgy and materials engineering. The research work performed by him ranges from development of complex concentrated high entropy alloys, understanding the solidification behavior of complex concentrated alloys, novel processing of ceramic composites, understanding the alloying behavior at nanoscale, development of bulk alloy catalysis for hydrogen energy and environment. His recent research activities involve research on nanocrystalline high entropy alloys (HEAs), sintering of nanomaterials, ionic nanoparticles, graphene etc. His recent work on multicomponent multiprinciple alloys and ceramic is commendable. He has published over 300 papers in international, reputed, peer- reviewed journals and delivered 75 invited talks at different national and international conferences. He has contributed to international collaborations with Japan, Germany, Taiwan, and the USA. He teaches extensively at IITK on a variety of subjects including: phase equilibria, manufacturing processes, phase transformations, process metallurgy, solidification processing etc. He is a prolific teacher. He has taught a large number of courses at IIT Kanpur and developed courses on NPTEL platform as well as massive open online courses for the benefit of students in the materials science community in the last 5 years. He has received numerous awards, fellowships, and other forms of professional recognition.

• 1.Technological Waste and the Modern Waste Stream 2. Categorisation of Technological Waste 3. Technological Waste Management: A Brief Overview 4. Understanding Metallurgical Processes and Wastes 5. Metal Extraction and Beneficiation Waste 6. Electronic Waste 7. Emerging Sustainable Waste Management Technologies 8. Summary and Future Direction