Dr. Vijay Kumar (kumarv.rs.apc13@itbhu.ac.in) Assistant Professor, Kamala Nehru College, Delhi University Dr. Vijay Kumar works as Guest Faculty, Satyawati College, Delhi University, New Delhi, India. He obtained his master’s degree from the Department of Environmental Science at Banaras Hindu University, Varanasi, India 2012. He obtained his doctorate from Indian Institute of Technology (Banaras Hindu University) Varanasi in the year of 2017. The area of his doctoral research is biological synthesis of silver and gold nanoparticles and their environmental and biological applications. He has published more than 30 research papers in International Journals in the field of environmental science and environmental nanotechnology. He has edited one book in Elsevier and currently editing two books in Springer.