Shristi Kharola?is currently pursuing a Ph.D. degree in Mathematics from Graphic Era University, Dehradun, India. Prior to arriving at Graphic Era University, Shristi completed 3-year graduate honors degree in Mathematics from Graphic Era Hill University, Dehradun, India and a post-graduate degree in Mathematics from H.N.B. Garhwal Central University, India. Her research interests include the areas of reliability engineering, fuzzy logic, decision making, applied mathematics and circular economy, ranging from theory to design to implementation. In the year 2020–2021, Shristi collaborated actively with Turkey and UK on an International Project jointly with Government of India. Shristi has published some good articles with Elsevier, Springer etc., and has presented her publications at seminars, workshops and conferences globally. Professor Mangey Ram received a Ph.D. degree major in Mathematics and minor in Computer Science from G.B. Pant University of Agriculture and Technology, Pantnagar, India in 2008. He has been a Faculty Member for around thirteen years and has taught several core courses in pure and applied mathematics at undergraduate, postgraduate, and doctorate levels. He is currently the Research Professor at Graphic Era (Deemed to be University), Dehradun, India and Visiting Professor at Peter the Great St. Petersburg Polytechnic University, Saint Petersburg, Russia. Before joining Graphic Era, he was a Deputy Manager (Probationary Officer) with a Syndicate Bank for a short period. He is Editor-in-Chief of the International Journal of Mathematical, Engineering and Management Sciences, Journal of Reliability and Statistical Studies, Journal of Graphic Era University, Series Editor of six Book Series with Elsevier, CRC Press-A Taylor and Frances Group, Walter De Gruyter Publisher Germany, River Publisher and the Guest Editor and Associate Editor with various journals. He has published 300 plus publications (journal articles/books/book chapters/conference articles) in IEEE, Taylor & Francis, Springer Nature, Elsevier, Emerald, World Scientific and many other national and international journals and conferences. Also, he has published more than 60 books (authored/edited) with international publishers like Elsevier, Springer Nature, CRC Press, Walter De Gruyter and River Publishing. His fields of research are reliability theory and applied mathematics. Dr. Ram is a Senior Member of the IEEE, Senior Life Member of Operational Research Society of India, Society for Reliability Engineering, Quality and Operations Management in India, and Indian Society of Industrial and Applied Mathematics, He has been a member of the organizing committee of a number of international and national conferences, seminars, and workshops. He was conferred with the "Young Scientist Award" by the Uttarakhand State Council for Science and Technology, Dehradun in 2009. He was awarded the "Best Faculty Award" in 2011, the "Research Excellence Award" in 2015,and the "Outstanding Researcher Award" in 2018 for his significant contribution in academics and research at Graphic Era Deemed to be University, Dehradun, India. Recently, he received the "Excellence in Research of the Year 2021 Award" from the Honourable Chief Minister of Uttarakhand State, India. Dr. Sachin Kumar Mangla is working in the fields of green and sustainable supply chain and operations, Industry 4.0, circular economy, decision making and simulation. He is committed to do and promote high quality research. He has published/presented several papers in reputed international/national journals (Journal of Business Research, International Journal of Production Economics, International Journal of Production Research, Computers and Operations Research, Production Planning and Control, Business Strategy and the Environment, Annals of Operations Research, Transportation Research Part-D, Transportation Research Part-E, Renewable and Sustainable Energy Reviews, Resource Conservation and Recycling, Information System Frontier, Journal of Cleaner Production, Management Decision, Industrial Data and Management System) and conferences (POMS, SOMS, IIIE, CILT – LRN, MCDM, GLOGIFT). He has an h-index 55, i10-index 96, Google Scholar Citations of more than 8000. He is involved in several editorial positions and editing two special issues as a guest editor in top tier journals. Currently, he is working as an Associate Editor at Journal of Cleaner Production, International Journal of Logistics Management, Sustainable Production and Consumption, and IMA Journal of Management Mathematics journals. He is also involved in several research projects on various issues and applications of circular economy, Industry 4.0 and sustainability. Among them, he also contributed to the knowledge-based decision model in "Enhancing and implementing knowledge-based ICT solutions within high risk and uncertain conditions for agriculture production systems (RUC-APS)", European Commission RISE scheme, €1.