Of all the forms of disasters, terrorism happens to be the deadliest in terms of loss of life and damage to the property. Acts of terrorism have grown over a period of time. Power generation and transmission installations create the prime target for such terrorist groups. The primary infrastructure in power sector like as dams, generating stations, EHV substations, load dispatch centres, distribution stations are vital national assets and these required to be protected against acts of terrorism. The terrorism associated security aspects should be dealt with through using advanced technology within the areas of surveillance and proper intelligence network.