Dr V Kamalaker was under graduated from APRDC Kurnool Silver Jubilee College, Krishnadevaraya University in 2000 and completed his M. Sc. (Physics) from School of Physics, University of Hyderabad in 2002. He awarded Ph.D. in Physics from Osmania University in 2012. He has more than 18 years of teaching experience and published 8 papers in reputed International and national Journals. He attended and delivered number of oral presentations at various National and International conferences. His research area is “Spectroscopic, Thermal and Transport Properties of Tellurite Glasses containing rare-earth metal oxides”. He has experience in the following characteristics XRD, FTIR, Raman spectroscopy, DSC, Optical Absorption and DC electrical conductivity of the glasses.