BE (Mech Engg), ME (Mech Engg), PhD, Associate Professor, Birla Institute of Technology-Mesra, Ranchi. He has over 27 years of combined experience of teaching, research and industry. His areas of interests are Fluid dynamics, Turbo machines, Multiphase flow, CFD, Optimization and non-conventional energy, and Direct energy conversion. He has contributed to 27 international journals, and various conferences. He is on the editorial board and review panel of an international journal of repute. He has been felicitated with many awards and honours.