"All Indian operators in consultation with DGCA have decided to avoid the affected part of Iranian Airspace to ensure safe travel for the passengers. They will re-route flights suitably," the DGCA said on Twitter.
The hijackers were arrested on September 30, 1981 after Pakistani commandos entered the plane. There were no deaths or injuries. The men spent three years in a military prison, and were put on trial for the hijack in 1984. They were sentenced to life imprisonment on January 20, 1986.