Sonu Rajak is an Assistant Professor in the Department of Mechanical Engineering at the National Institute of Technology Patna, India. He received his Ph.D. and M.Tech. Degree from the National Institute of Technology Tiruchirappalli, India. He has received his bachelor’s degree in production engineering from the B.I.T. Sindri, Vinoba Bhave University India. He has more than fifteen years of experience in both the academic and industrial sectors. He has published more than 60 technical papers in peer-reviewed international journals, four edited books, twelve book chapters, and 15 articles presented in conferences at international levels. His research interests are in broad areas of Manufacturing and Production with a specific interest in, Supply chain and operation management, Industry 4.0, Circular Economy, Optimisation, and Additive Manufacturing.Lohithaksha Maniraj Maiyar is an Assistant Professor and Head of the Department of Entrepreneurship and Management at Indian Institute of Technology Hyderabad. He received his Ph.D. in 2019 from the Department of Industrial & Systems Engineering, Indian Institute of Technology Kharagpur. Prior to joining IIT Hyderabad, Dr. Lohithaksha was a Research Fellow in the Business and Management Research Institute, University of Bedfordshire, United Kingdom. He was a Research Associate in the Department of Automatic Control and Systems Engineering, The University of Sheffield, prior to joining University of Bedfordshire. During his post-doc, he was working in pan-European projects which involved partners from academia and industry to solve problems related to aircraft ground transportation and fresh food wastages. He has applied supervised and unsupervised machine learning, evolutionary optimisation and multi-criteria techniques for solving problems from a wide range of applications such as aerospace, manufacturing, online fashion markets, and food supply chains. His work focusses on developing Operations Research based mathematical models to support cost-effective, sustainable and resilient decisions.