The book entitled 'Water Resources Management in Kerala by using Delphi' is useful to faculty and students of Geology, Geography and Civil Engineering, research scholars, hydrogeologists, planners and professionals in ground water field. The book is based on analytical scientific study, which includes Hydrogeological and Hydrogeomorphological surveys, micro level hydrogeological investigation, chemical analysis of water samples and their interpretation in Vamanapuram River Basin, Kerala, South India. Various types of water management aspect based on Delphi were carried out to propose various water management policy suggestions for the sustainability of water resources of Kerala