KAL RENGANATHAN SHARMA, Ph.D., is Professor at the School of Chemical and Biotechnology, Shanmugha Arts Science Technology & Research Academy, Sastra University, Tamil Nadu. Earlier, he served as Adjunct Assistant Professor at West Virginia University, Morgantown, USA. Dr. Sharma, who has over a decade of teaching experience, is also the author of 4 books, 429 conference papers and 10 journal articles.