Prof. R. N. Yadava, M.Sc. (BHU Varanasi), Ph. D. (IIT Bombay), Raman Research Fellow and a Founder Member of RRL (CSIR) Bhopal has served CSIR as Director Gr. Sci. and executed a variety of research projects at National & International level and supervised Research Scholars and PG Students for their Ph. D. & M. Tech. thesis respectively. He has been invited to deliver technical talks in the esteemed universities of USA, Canada, UK, Germany, The Netherlands, Thailand, Korea, Australia, etc., and to Chair Technical Sessions in National and International Conferences. He has published his research papers in journals of international repute. He is also co-author of Two books entitled Engineering Mathematics-II (For the students of Bachelor of Technology/Engineering) & Engineering Mathematics - I.