On 13 December 2001 a terrorist attack occurred on the Indian Parliament ( during which twelve people , including the five terrorists who attacked the building , were killed ) and the legislative Assembly on 1 October 2001 . India claimed that the attacks were carried out by two Pakistan-based terror groups fighting Indian administered Kashmir , the Lashkar-e-Taiba and Jaish-e-Mohammad , both of whom India has said are backed by Pakistan 's ISI a charge that Pakistan denied . The military buildup was initiated by India in response to the twin attacks leading to the 2001 – 02 India – Pakistan standoff between India and Pakistan . Troops were amassed on either side of the border and along the Line of Control ( LoC ) in the region of Kashmir . International media reported the possibility of a nuclear war between the two countries and the implications of the potential conflict on the American-led " Global War on Terrorism " in nearby Afghanistan . Tensions de-escalated following international diplomatic mediation which resulted in the October 2002 withdrawal of Indian and Pakistani troops from the international border
terrorist attack
2001 Indian Parliament attack
Bleed India with a Thousand Cuts