A chronological order of events that have occurred since 1999 where the conflict between the 2 countries has always come forward.
December 24, 1999: Indian Airlines Flight 814 was hijacked by five Pakistan nationals on. Harkat-ul-Mujahideen, a Pakistan-based militant group, was held responsible for the hijacking.. After touching down in Amritsar, Lahore and Dubai, the hijackers forced the aircraft to land in Kandahar, Afghanistan. The hijackers released 27 of 176 passengers in Dubai but fatally stabbed one and wounded several others. The hijackers initially demanded the release of 35 Islamic militants in Indian jails and US$200 million in cash but Indian negotiators succeeded in persuading the hijackers in reducing their demand to the release of three prisoners. After the three militants landed in Kandahar, the hostages aboard the flight were freed. On 31 December 1999, the freed hostages of the Indian Airlines Flight 814 were flown back to India on a special plane.
December 22, 2000 : a group of terrorists belonging to the Lashkar-e-Toiba stormed the famous Red Fort in New Delhi. The Fort houses an Indian military unit and a high-security interrogation cell used both by the Central Bureau of Investigation and the Indian Army. The terrorists successfully breached the security cover around the Red Fort and opened fire at the Indian military personnel on duty killing two of them on spot.
October 1, 2001: A car bomb exploded near the Jammu and Kashmir State Assembly on killing 27 people on an attack that was blamed on Kashmiri separatists. The dead bodies of the terrorists and the data recovered from them revealed that Pakistan was solely responsible for the activity.
December 13, 2001: Terrorists attacked the Parliament of India resulting in a 45-minute gun battle in which 9 policemen and parliament staffer were killed. All the five terrorists were also killed by the security forces and were identified as Pakistani nationals. The suspected terrorists dressed in commando fatigues entered Parliament in a car through the VIP gate of the building. Displaying Parliament and Home Ministry security stickers, the vehicle entered the Parliament premises. The terrorists set off massive blasts and have used AK-47 rifles, explosives and grenades for the attack..Indian Government initially accused LeT and JeM to be involved in this attack. However, Lashkar-e-Taiba denied any involvement in the incident. In December 2002, four JeM members were caught by Indian authorities and put on trial. All four were found guilty of playing various roles in the incident.Offensive military build up was initiated by India in response to the attack. Following India's move, Pakistan responded by moving large numbers of its troops from the border with Afghanistan, where they had been trying to contain Taliban and Al Qaeda fighters, to the Indian border. In late December, both countries moved ballistic missiles closer to each other's border, and mortar and artillery fire was reported in Kashmir. By January 2002, India had mobilized around 500,000 troops and three armored divisions on the Pakistani border concentrated along the Line of Control in Kashmir. Pakistan responded similarly, deploying around 120,000 troops to that region. This was the largest buildup on the subcontinent since the 1971 war.
September 25, 2002 : Two Kashmiri terrorists belonging to Jaish-e-Mohammed raided the Swami Narayan temple complex in Ahmedabad, Gujarat killing 30 people, including 18 women and five children.
August 25, 2003 : Two car bombs exploded in south Mumbai on; one near the Gateway of India and the other at the famous Zaveri Bazaar, killing at least 48 and injuring 150 people. Though no terrorist group claimed responsibility for the attacks, Mumbai Police and RAW suspected Lashkar-e-Toiba's hand in the twin blasts.
July 20, 2005: A car bomb exploded near an armoured Indian Army vehicle in the famous Church Lane area in Srinagar killing four Indian Army personnel, one civilian and the suicide bomber. Terrorist group Hizbul Mujahideen, claimed responsibility for the attack.
February 18,2007: Blasts in the train Samjautha Express leaves 68 dead.
November 26, 2008: Mumbai terrorist attacks. Terrorists attacked the trade capital of India for 3 continuous days. The attacks were held at many places including railway stations, hotels etc. The whole incident caused a havoc in India. One terrorist was caught and in early 2009 was confirmed to be a Pakistan national.