Delhi's Indira Gandhi International Airport (IGIA) plunged into chaos on Friday, as more than 800 domestic and international flights were delayed due to the air traffic control system's technical issue, which was later addressed by the AAI.

The Airports Authority of India (AAI) also said that due to some backlogs, there may be some delays in the normal functioning of automated operations, but the situation will be normal soon.

All airline operations at the IGIA -- which is the country's busiest airport -- were impacted due to a technical issue in the Automatic Message Switching System (AMSS), which supports air traffic control data.

Sources said more than 800 flights were delayed, and at least 20 flights were cancelled.

The national capital's Indira Gandhi International Airport handles

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