New Delhi, Oct. 3 -- It was quite a week at Tata Sons HQ. The simmering battle between Tata Trusts and the Tata Sons board spilt into the charity regulator's office, while questions around governance and a proposed restructuring added new layers to the dispute.

Noel moves to protect the trusts

Tata Trusts chairman Noel Tata and his son Neville filed 36 caveats with Maharashtra's charity commissioner after trustee Venu Srinivasan complained about the management of the trusts. The caveats seek to ensure the trusts are heard before any adverse order is passed.

The stakes are high. Seven Tata trusts collectively control 65.9% of Tata Sons, and their votes could be crucial at the company's next shareholder meeting, where N. Chandrasekaran's...