India, Sept. 21 -- The Tata Sons boardroom battle has placed a larger institutional question at the heart of the Tata Group: can the company's governance framework remain stronger than the personalities occupying its most powerful offices?

Noel Tata's opposition to N. Chandrasekaran's reappointment has brought that question into the open.

Chandrasekaran told the Tata Sons board on August 12 that he would not offer himself for another term after February 20, 2027. Tata Trusts accepted his decision and asked the company to begin the process of selecting a successor.

Then the script changed.

The Nomination and Remuneration Committee asked Chandrasekaran to reconsider. He agreed, and the Tata Sons board subsequently approved a fresh five-...