NAVI MUMBAI, Dec. 26 -- At 8 am on Christmas Day, an IndiGo flight from Bengaluru touched down at the newly opened Navi Mumbai International Airport to a water cannon salute, formally launching passenger operations, making Mumbai the first Indian city with two airports. Applause broke out inside the aircraft as it rolled to a halt, while residents gathered along nearby highways and access roads to watch and record a milestone that had been decades in the making. Built through a public-private partnership between the Adani Group and the City and Industrial Development Corporation of Maharashtra (Cidco), the airport is designed to handle up to 90 million passengers annually by 2032. The airport completed its inaugural arrival-departure cycle within 40 minutes of the first landing, when an IndiGo flight departed for Hyderabad at 8.40 am, becoming NMIA's first commercial take-off. On its first day, NMIA handled 30 domestic flights-15 arrivals and 15 departures-between 8 am and 8 pm, with IndiGo, Air India Express, Akasa Air and Star Air operating services. More than 4,000 passengers travelled through the airport on Thursday. Even as celebrations unfolded inside the terminal, several PAPs gathered outside the airport, many dressed in traditional Agri-Koli attire, to press their demand for renaming the airport after DB Patil. P3...