Atomic force plant (NPP) supplies expansive scale electrical force at aggressive cost as a base burden to electrical matrices. On the other hand, security has been real concern because of potential arrival of radioactive material from a mishap. Despite the fact that generally the atomic business has great wellbeing record there have been three noteworthy mischances, Three Mile mishap, Chernobyl mischance and late Fukushima mishap. Security concentrates on unintended conditions or occasions prompting radiological discharges from approved exercises. It relates for the most part to inborn issues or perils. Security concentrates on the purposeful abuse of atomic or other radioactive materials by non-state components to bring about mischief. It relates for the most part to outside dangers to materials or offices.