The document provides an overview of disaster management. It begins with definitions of key terms like disaster, hazard, vulnerability and discusses how the interaction between hazards and vulnerability can result in disasters. It then classifies disasters into natural (meteorological, topographical, environmental) and man-made (technological, industrial, warfare) disasters. The document discusses the phases of disaster management including preparedness, response, recovery and mitigation. It also covers medical and public health response to disasters and the impacts of disasters on public health. The vulnerability of India to various natural and man-made disasters is highlighted at the end.