Terrorism is the unlawful act of violence which is used by the terrorists to make people fear. Terrorism has become a common social issue. It is used to threaten common public and government. Terrorism is used by various social organizations, politicians and business industries to achieve their goals in very easy way. A group of people who take support of terrorism are known as terrorists. Explaining terrorism is not so easy as it has spread its roots very deep. Terrorists have any rule and law; they only use violent acts intending to create and enhance level of terror in the society and country.