2001 Parliament Attack Anniversary: PM Modi, Sonia Gandhi, Union Ministers Pay Tributes. See Pics

Vice President and Rajya Sabha Chairman Jagdeep Dhankhar, together with Prime Minister Narendra Modi, led the nation in paying tribute to those who died in the 2001 Parliament terrorist assault. (Image Source: Getty)

Lok Sabha Speaker Om Birla, former Congress President Sonia Gandhi, and parliamentarians from across the political spectrum gathered to pay respect to the victims of the 2001 Parliament terrorist assault. (Image Source: PTI)

Union Minister and Rajya Sabha leader Piyush Goyal, along with Parliamentary Affairs Minister Pralhad Joshi, were seen chatting with Gandhi, Congress President Mallikarjun Kharge, and Lok Sabha leader Adhir Ranjan Chowdhury after paying floral tributes. (Image Source: PTI)

On December 13, 2001 terrorists from the Lashkar-e-Taiba (LeT) and the Jaish-e-Mohammed (JeM) attacked and fired on the Parliament complex. Their attempt to attack Parliament House was thwarted by members of the Parliament Security Service, the CRPF, and the Delhi Police. (Image Source: PTI)

Five Delhi police officers, a woman Central Reserve Police Force (CRPF) trooper, two Parliament watch and ward workers, and a gardener were among those killed in the attack. A journalist who was hurt later died. All five terrorists were killed by gunfire. (Image Source: PTI)

On the day of the incident, Parliament was in session for the winter session, therefore several members of the media were present. The entire gunfight was shown live on news channels. (Image Source: Getty)

Former PM Vajpayee said that the attack was not just an attack on the parliament house, but a warning to the entire country. On December 13, 2001, at about 11:40 a.m., five terrorists entered the Parliament House Complex in an Ambassador sedan equipped with a beacon and a falsified Home Ministry sticker. (Image Source: Getty)

The attack killed five Delhi Police security officials, one CRPF women constable, two security assistants from the Parliament Watch and Ward division, a gardener, and a photojournalist. (Image Source: Getty)

A member of the Parliament House Watch and Ward Staff became suspicious as the car approached Building Gate No. 12. The car was forced to turn around, but it collided with then-Vice President Krishan Kant's vehicle. The terrorists, equipped with AK-47s and grenades, then descended and opened fire while an alarm was sounded and all building gates were locked. (Image Source: Getty)

The gunfight lasted around 30 minutes, and all terrorists were eventually neutralised outside the Parliament building. Five Delhi Police officers, one CRPF lady constable, two security aides from the Parliament Watch and Ward division, a gardener, and a photojournalist were killed in the incident. (Image Source: Getty)

The attack injured at least 15 other people, although the 100 or so ministers and MPs in Parliament at the time were unharmed. (Image Source: Getty)

The police filed a FIR, and within days, the Special Cell of the Delhi Police apprehended four people who were traced down using leads linked to the automobile used by the terrorists and telephone records. (Image Source: Getty)