Dr. P. D. Dewangan is graduated from Govt. Engineering College, Raipur (Presently National Institute of Technology Raipur, India in 1990 with B.E. (honurs) in Electrical Engineering. He received M.Tech. Degree in Integrated Power System in Electrical Engineering in 2000 from VRCE, Nagpur (Presently Visvesvaraya National Institute of Technology Nagpur) India. He received Ph. D. degree for his thesis entitled, “ Continuous Interval Systems: Reduced-Order Modelling and Controller Design “, in 2021 from National Institute of Technology Raipur, India. Currently, he is working as Associate Professor at National Institute of Technology Raipur, India. His research interests include model order reduction and power systems.