Three people were injured due to the fact that the porthole dropped off from its hull after falling into a zone of powerful turbulence. The airplane, after falling into turbulence, continued to shake for 10-12 minutes.
As noted, the passengers tried to attach the porthole that fell off the hull of the liner back. The plane made an internal flight in India from the city of Amritsar to Delhi, there were 240 passengers on board.