Synopsis Disaster whether natural or man-made are causing a great loss to all –human beings, animals, plants and resources –buildings, infrastructure and above all cause psychological problems. Disasters are increasing with the move to material civilization, urbanization, industrialization and greed. With this new cult, even natural disasters are occurring because of the disturbances in natural equilibrium caused by the greed and lust of human beings to exploit natural resources to get rich quickly. In this pioneering work, Encyclipaedia of Disaster Management in 3 volumes, the author has critically analysed and come out with concrete suggestions to overcome the problems of disaster management. This Volume 1 on Disaster Management Policy and Administration deals with the concept and theoretical framework essential for prevention, relief, mitigation, preparedness and rehabilitation. These have been impact of man-made or natural disasters. The impact of disasters can be lessened through advance planning, developing warning system as well as prompt implementation. It is essentials to understand and practice all the techniques which can help us in prevention, mitigation, and rehabilitation. Techniques like mapping, advance planning and preparing decision packages, using MBO approach, network analyses, time management, co-ordination, information technology, human resource development, etc.