Kolkata : A Bagdogra-bound Air India flight from Delhi with 115 passengers on board made a safe ‘precautionary landing’ here due to ‘technical snag’. “The Delhi-Bagdogra flight (AI-879) made a precautionary landing at the NSC Bose International Airport here safely with all 115 passengers on board on Sunday,” an AI spokesman said here. “Because of a suspected technical snag, the plane was diverted to the city airport and made ‘precautionary landing’ at around 1.35 PM,” he said. “All 115 passengers were later taken to their destination Bagdogra by a changed aircraft,” the spokesman said..