NET and PhD in Environmental Science, Dr. Avnish Chauhan is Associate Professor, Department of Environmental Science, Graphic Era Hill University, Dehradun. Earlier he has served Phonics Group of Institutions, Roorkee, Uttarakhand. He has contributed more than 31 research papers and 12 chapters in India and abroad. He has 12 years teaching experience in environmental science and technology. Being associated with a number of national and international scientific bodies, he has received awards and fellowships for his contribution in environment science and technology field. He has written/edited 30 books. He is Editor-in-Chief of International Journal of Higher Education and Research.