The four-year senior secured notes will boost financial flexibility for operational improvements, modernisation, and sustainability initiatives.

Mumbai International Airport—which operates India’s second-largest gateway—plans to invest $1.1 billion over the next five years to expand and modernize its infrastructure.

Adani Airports Holdings Ltd has raised $1 billion from global investors to fund the expansion and modernisation of Mumbai’s Chhatrapati Shivaji Maharaj International Airport, marking India’s first investment-grade private bond issue in the airport infrastructure sector.