About the Author

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Dr. Kaliappan Sudalyandi is a Professor of Emeritus, Department of Civil Engineering at Anna University, Chennai. He has previously served as the Vice-Chancellor of Anna University Tirunelveli, and Director of the Institute of Remote Sensing, College of Engineering Guindy at Anna University, Chennai, Advisor and Dean Ponjesly College of Engineering, Nagercoil and Dean at Thiagarajar College of Engineering, Madurai. He has earned his B.E. (Civil Engineering) and M. Tech. (Remote sensing) from College of Engineering, Guindy, Anna University, and his Ph.D. in environmental engineering from the Illinois Institute of Technology, Chicago, USA. He has contributed to 2 books and over 91 research publications in international and national journals.Dr. Rajeshbanu Jeyakumar is an Associate Professor in the Department of Biotechnology at the Central University of Tamil Nadu, Thiruvarur, India. He is also a Visiting Professor at the Center for Excellence in Environmental Studies, King Abdulaziz University, Saudi Arabia. He has previously served as visiting researcher at East China Normal University, China and post-doctoral fellow at Sungkyunkwan University, South Korea. He is the author of 300 research publications with a cumulative impact factor of 1300, citation of 10000, and H index of 52. He is listed among the top 2% of scientists of the world in the field of environmental biotechnology by Stanford University researchers.