Top two metro airports of India have emerged as top scorers in the ranking of the world's best airports. Delhi's Indira Gandhi International (IGIA) airport and Mumbai's Chhatrapati Shivaji International Airport (CSIA) have emerged as the winner among the world's best airports.
According to Airport Service Quality (ASQ) ranking by the Airports Council International (ACI), an association of the world's airports, Delhi won the best airport award in 2017 for passenger service under the category of airports handling over 40 million passengers per annum (mppa). Mumbai, on the other hand, scored the highest for customer experience in the same category.

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