Air travel ground to a crawl at the nation's busiest hub, Indira Gandhi International Airport (IGIA), on Friday morning as a severe technical glitch in the Air Traffic Control (ATC) system led to the delay of over 100 flights.

The disruption, which reportedly began late Thursday evening, stems from issues with the Automatic Message Switching System (AMSS). This system is crucial as it feeds information, including automatic flight plans, to the Auto Track System (AMS) used by air traffic controllers.

Due to the technical failure, controllers have been forced to prepare flight plans manually, a time-consuming process that has resulted in significant air traffic congestion and mounting delays.

Flight tracking website Flightradar24.com indicated that departures at the Delhi airport were f

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