Explainer: Tata Sons: the rules, the rift and what happens next ↧ ↧ Explainer: Tata Sons: the rules, the rift and what happens next India's Tata Sons, the owner of marquee brands like Jaguar Land Rover and Tetley tea, is facing one ​of its worst boardroom disputes, with its leadership now openly split with its biggest shareholder over key decisions.