Biography: Dr. Mehdi Al Kausor is an Associate Professor in the Department of Chemistry, Science College, Kokrajhar. He has completed his Ph.D. degree from Gauhati University, Assam. His area of research is Photocatalysis & adsorption technologies in environmental applications using Graphene Oxide based Nanomaterials and Nanocomposites. His special paper is Physical Chemistry and he teaches States of matter, Electrochemistry, Phase as well as Chemical equilibria and Molecular Spectroscopy. He has published 12 (Twelve) Scopus/Web od Science indexed Journal papers 5 (Five) Book Chapters, 1 (One) Authored Book and 1 (One) Edited Book by International publishers. He is currently working as a Ph.D. research Supervisor at Bodoland University and also working as reviewer in many reputed International Journals.