(a) A sudden happening that causes enormous damage to life, property and social aspects of a nation or society is called a disaster.
(b) Disasters are of two types:
Man-made disasters: These disasters are the result of technological or human hazards. Examples of man-made disasters are road accidents, forest fires, collapsing of building due to usage of poor quality materials, etc.
Natural disasters: There are due to imbalance occurring in nature various environmental factors. Examples of natural disasters are earthquakes, volcanic eruption, etc.
(c) Disaster management is the strategy and course of action to be executed at the time of any disaster to save as much life as possible.
(d) Main components of disaster management are:
Preparation: A plan is created to minimise the damage if a disaster occurs.
Redemption: It is the plan to minimise the damage to the society and country.
Preparedness: A plan is chalked out to get quick response from public and administration.
Impact of disaster: Intensity of disaster and disaster management are reviewed.
Response: This stage deals with providing immediate response after an incident has occurred.
Resurgence: It is an important link between emergency measures and national progress. It includes the steps which are required for the welfare and rehabilitation of the nation.
Restoration: It is an important link between measures after disaster and national development. It includes steps useful for progress of
nation and rehabilitation.