DrT.P.Yadav,is associated with Deptt. of Physics,The University of Liverpool,(U. K.)as a BOYSCAST Fellow at present.He has published more than 45 research papers. Prof.O.N.Srivastava is a distinguished Coordinator of Hydrogen Energy Centre & Nanoscience Centre at BHU,Varanasi,India.He is the author of more than 425 scientific articles and 2 boooks.