Q. Which is the busiest airport in India by annual passenger traffic?
Answer: Indira Gandhi International Airport, Delhi
Notes: Indira Gandhi International Airport in New Delhi handled approximately 79.26 million passengers in 2025-2026. It has four runways, the most among Indian airports. The airport functions as a domestic and international hub managed by Delhi International Airport Limited. DEL provides major cargo operations and advanced passenger facilities. It surpassed all other Indian airports in annual passenger numbers according to 2025-2026 data.
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