Dr. Nitish Kumar is Senior Assistant Professor at the Department of Biotechnology, Central University of South Bihar, Gaya, Bihar, India. Dr. Kumar completed his doctoral research from the Council of Scientific & Industrial Research-Central Salt & Marine Chemicals Research Institute, Bhavnagar, Gujarat, India. He has published more than seventy research articles and chapters in the leading international and national journals or books. He has also edited 4 books which are published by Springer and Taylor & Francis. He has a wide area of research experience in environmental biotechnology and currently working on arsenic remediation by the application of different biotechnological techniques. He has received many awards/fellowships/project from various organizations, e.g., the CSIR, DBT, ICAR and SERB-DST, BRNS-BARC, etc. He is Active Reviewer for journals including Biotechnology Reports, Aquatic Botany, Industrial Crops and Products, PLOS ONE, Plant Biochemistry and Biotechnology, 3Biotech, etc. He is also Associate Editor of the journal GENE (Elsevier).Sanjeev Kumar is an assistant professor at the School of Agriculture Science, K.K. University, Nalanda, Bihar, India. He graduated in Plant Breeding and Genetics from CSK Himachal Pradesh Krishi Vishwavidyalaya, Palamapur, HP, India. He has an exhaustive experience in the field of agriculture particularly in soil analysis and cultivation of cash crops such as tea, stevia in Dhauladhar' range of Himalaya. He has a great exposure to plantation and spice crops for more than 15 years in the Dhauladhar range of the Himalaya. He has a wide area of research experience in the field of agriculture. He has received many fellowships during his academic career. He has published research articles, book chapters in leading international and national journals and books.