News agency ANI, quoting sources, said that global flights that transit between Indian and Pakistani airspace have been affected.
Operations at all nine airports that were shut for civilian traffic, have resumed as of now, the DGCA said.
The chopper was crashed in an open field near Garend Kalaan village in Budgam at around 10am, the Indian officials were quoted by The Times of India as saying.
New Delhi blamed Islamabad, which denies having a role in the attack.
Ahmed and Sarwar Hussain, another eyewitness, said they heard two separate explosions - a bang, followed by a showering of aircraft parts, while the aircraft was still airborne - and then a a much louder explosion when the plane hit the ground. Police claimed of finding two bodies from the site.
Officical said that the Pakistani jets dropped bombs while returning. No reports of casualties have been reported so far.
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On February 20, one pilot was killed when two Surya Kiran Acrobatic team aircrafts collided mid-air during AeroIndia 2019. One is in hospital, while the other is in military custody, according to officials. Instead of going over Pakistan, the alternate routes for west-bound flight from north Indian airports like Delhi could see them flying towards Mumbai side and then take a right turn to Muscat after which they take the normal route to the west.
Pakistan has also immediately stopped its domestic and worldwide flight operations from Lahore, Multan, Faisalabad, Sialkot and Islamabad airports. The Indian Air Force has still not confirmed death.
Following this, Home Minister Rajnath Singh held a high-level meeting with NSA Ajit Doval, RAW chief, and other top government officials. On 14 February, 2019, more than 40 CRPF personnel were martyred in Pulwama after a terrorist rammed his explosive-laden SUV auto into the convoy of security forces.
"Based on a credible input about the presence of militants in Shopian's Memender, an operation was launched".
The crash happened a day after IAF warplanes bombed a JeM training camp in Pakistan and killed a large number of terrorists.