Dr. P Thambidurai is an Assistant Professor in the Department of Coastal Disaster Management at Pondicherry University – Port Blair Campus, Andamans. He received his Ph.D. in Hydrogeology from the Department of Earth Sciences, Indian Institute of Technology Bombay, India and the Gian Maria Zuppi scholarship for high-achieving in research in the international student category, awarded by the University of Venice during his doctoral degree. He completed his graduate and post-graduate degrees from Periyar University, Salem, India. He joined Amrita Vishwa Vidyapeetham, Kerala as a Research Associate after finishing his Ph.D. in 2015 and then served there as an Assistant Professor till 2018. He has intensive field and consultancy experience in Geo Technical Mining Solution, Dharmapuri, Tamil Nadu, India.He has vast field experience in hydrogeology, where he contributed to building the national-level policy called Revitalization of Rivers in India Draft Recommendation – The Fundamentals to improve the groundwater and surface water resources. This River policy has been adopted by the Government of India - Ministry of Environment, Forest & Climate Change and Jal Sakthi to Rejuvenate 13 major rivers in India. He is intensively involving in landslide simulation research. He has published about 20 scientific articles in international journals, conference proceedings, and book chapters.Dr. T.N.Singh is presently Director of the Indian Institute of Technology Patna. Prior to IIT Patna, Prof. Singh was Vice-Chancellor of Mahatma Gandhi Kashi Vidhyapith, Varanasi. He has published more than 360 journal papers and 160 conference proceedings. He has also published more than a dozen edited books. He has received several national awards also. Prof. Singh guided more than 45 Ph.D. students in various fields like slope stability, blasting tunneling, rock-fall protection, climatic change, etc.