Dr. Pankaj Kumar has received his M.Sc. and PhD degrees from the Department of Mathematics, IIT Roorkee, India, in 2012 and 2021, respectively. He has worked as a research associate till Sep 30, 2021. His main research interest includes Queueing/Reliability models, Fault-Tolerant Machining Systems, Stochastic Processes and Optimization. Over ten papers in SCI ranked journals and conferences, including Reliability Engineering and System Safety, ISA transactions, Journal of Ambient Intelligence and Humanized Computing and Arabian Journal for Science Engineering. He has attended more than ten national/international conferences and workshops. He is recipient of MHRD fellowship while carrying out his doctorate work.