MUMBAI : Mangoes, loved by many and often called the “king of fruits,” are more than just a tasty summer treat—they’re part of a huge international trade. And leading the world’s biggest mango business is a surprising name Mr. Mukesh Ambani. Best known for running India’s largest company, Ambani also owns a massive mango orchard in Jamnagar, Gujarat. Spread across 600 acres, this farm has helped Reliance Industries become the world’s biggest exporter of mangoes.

The story of this farm, named . . .