NEW DELHI — India's Prime Minister Narendra Modi on Wednesday inaugurated a new international airport in the financial capital Mumbai, marking a step forward in expansion of the country’s fast-growing aviation network.

Built by business conglomerate Adani Group at an estimated cost of $2.2 billion, the first phase of Navi Mumbai International Airport is expected to commence operations in December as a key passenger and cargo hub in Asia. It will also help ease congestion at the city’s existing Chhatrapati Shivaji Maharaj International Airport, one of the country’s busiest. Mumbai is the only metropolitan city in India to have a second international airport.

The latest project underscores India’s broader push to modernize infrastructure and strengthen air connectivity as its economy gro

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