The occurrence of nuclear or radiological disaster is of the great concern. It is accompanied with sudden release of huge amount of harmful radiations or radioactive materials or both together in environment in a small area. A nuclear/radiological disaster can occur under various circumstances Nuclear Disaster is described as a disaster caused due to an extraordinary emission of radioactive material or radiation either through explosion of a nuclear bomb or in the operation of nuclear reactors and other nuclear related activities. It is accompanied with sudden release of huge amount of harmful radiations or radioactive materials or both together in environment in a small area.
