P.K. Viswanathan is a PhD in Economics from Institute for Social and Economic Change,Bangalore. He started his academic career in 1994 as a Scientist (Eco.) at theRubber Research Institute of India. He was a Post-Doctoral Fellow at the AsianInstitute of Technology (AIT) Bangkok during 2005 and later at the Institutefor Population and Social Research, Mahidol University, Thailand during2006-07. Since 2007, he has been working as Associate Professor, GujaratInstitute of Development Research, Ahmedabad, India. Areas of his researchinterests include: economics and management of natural resources; analysis of waterinstitutions and policies; agrarian transformation and rural livelihoods;economics of climate change and conservation of natural resources. He alsoteaches a course on Environmental Management and Sustainable Development at theAmrita School of Business, Amrita University, Cochin. He also had worked as anInternational Consultant for Agricultural Census Studies,FAO of the UnitedNations, Lao PDR, Vientiane. M. Dinesh Kumar is a Ph. D inWater Management, and has 25 years of professional experience undertakingresearch, action research, field implementation, consulting and training in thefield of water resources. He is currently the Executive Director of Institutefor Resource Analysis and Policy (IRAP) in Hyderabad, India. He has nearly 150publications to his credit, including five books, three edited volumes, andseveral papers in international journals. His internationally acclaimed worksare on virtual water trade, energy-groundwater nexus, agricultural waterproductivity, economics of water harvesting and artificial groundwaterrecharge, and water management in river basins and integrated urban watermanagement. He is associate Editor of Water Policy and Member of the EditorialBoard of Int. Journal of Water ResourcesDevelopment. A. Narayanamoorthy is presently workingas Professor and Head, Department of Economics and Rural Development, AlagappaUniversity, Tamil Nadu, India. Earlier,he worked with the Gokhale Institute of Politics and Economics, Pune, Maharashtraand also with the Madras Institute of Development Studies, Chennai. Hespecializes in the area of irrigation including micro irrigation and watershedmanagement. He has published six books, three mimeographs and over 100 researchpapers in well recognised international and national journals. He is arecipient of the prestigious Professor Ramesh Chandra Agrawal Award ofexcellence awarded for the outstanding contribution in the field ofagricultural economics by the Indian Society of Agricultural Economics, Mumbai.The National Bank for Agriculture and Rural Development (NABARD), Mumbai, hasalso awarded the coveted NABARD Chair Professor position to him, which is oneamong the five chairs established at the all India level. He also worked as themembers of the policy committees constituted by the Government of India, NewDelhi.