Operators of India’s largest airports — Delhi, Mumbai, and Bengaluru — have urged the central government to remove caps on capacity and price. They say this is impeding the return of passengers and hurting the financials of India’s top airports, most of which are privately owned.

       They have also urged the government to resume international air travel without limiting capacity. While GMR Group owns Delhi and Hyderabad airports, Adani Group owns Mumbai and six other regional airports, including Lucknow and Ahmedabad. Bengaluru airport is owned by billionaire ...