Reliance Jio Infocomm Limited, operating widely as Jio, is the major Indian telecommunications and digital services company owned by billionaire Mukesh Ambani's conglomerate, Reliance Industries Limited. Jio revolutionized the Indian mobile data market by offering ultra-low-cost 4G connectivity and has since expanded massively into fiber-to-the-home broadband, 5G mobile services, digital applications, and enterprise solutions.