Professor J. P. N. Rai is presently working as the full time professor, Department of Environmental Sciences, Gobind Ballabh Pant University of Agriculture & Technology, Pantnagar, Uttarakhand, India, besides, chairing the department for eight years as Head of the department. Dr. Rai has more than two hundred publications to his credit, including research papers, review articles & book chapters in scientific journals of national and international repute, apart from being a versatile reviewer of several journals. He has enough teaching and research experience of thirty seven years in the field of Environmental Science in general and Environmental Biotechnology in particular. He has been successfully completed more than five projects in various fields of ecotechnology, bioenergy production, bioremediation of waste water treatment, terrestrial sites, nanobiomaterial synthesis and applications" may please be replaced with "He has been successfully executed several projects formore than a decade in various fields of ecotechnology, bioenergy production, bioremediation of waste water treatment, terrestrial sites, nanobiomaterial synthesis and applications Dr. Shweta Saraswat is Assistant Professor in Department of Environmental Sciences, G. B. Pant University of Agri. & Technology, Pantnagar, Uttarakhand, India and former Post Doctoral fellow in various projects funded by Department of Science & Technology, Indian Council of Medical Research and Ministry of Environment, Forest and Climate Change, Government of India. 'She has twelve years of research and teaching experience to her credit'. Besides, she has published fifteen research papers including review articles and book chapters in reputed scientific journals in the field of bioremediation of terrestrial and aquatic systems, green technology development, environmental waste utilization, and bioenergy production. Recently, She is working on integrating nanotechnology with bio-based systems for sensing, analyzing, and treating the contaminated wastewater in an efficient and sustainable manner.