The Indira Gandhi International Airport (IGI) has issued a passenger advisory about a scheduled calibration of its Instrument Landing System (ILS). The flight operations will be regulated during the maintenance window, the authorities said, urging travellers to check with their respective airlines for any schedule changes.

Taking to X (formerly Twitter), Delhi Airport said, "The mandatory flight calibration of the Instrument Landing System (ILS) will take place at IGIA tomorrow from 11:30 to 13:30 IST, as part of continuous safety practices. Flights will be regulated during this period, and some schedules may be impacted. Kindly coordinate with your airlines to get updated flight information."

The advisory, though routine in nature, came hours before the Red Fort blast, which later tri

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