Saroj Kumar Singh obtained his doctoral degree in Statistics from Sambalpur University in 2020. He has published more than 20 articles in the field of Statistical inference in queueing theory in national and international journal of repute. Recently, Dr. Singh has joined as an Assistant Professor in the department of Statistics at Ravenshaw University. Prior to this he has served as a guest faculty in Central University of Odisha, Koraput. His research interest includes Classical inference, Bayesian inference, Change Point Problem and Queueing Theory.