New Delhi, Oct. 30 -- The Tata Group is heading into a crucial November as a dispute between Tata Trusts chairman Noel Tata and Tata Sons over the reappointment of N Chandrasekaran as executive chairman enters a new phase.

In a letter dated October 26 addressed to Tata Sons company secretary Suprakash Mukhopadhyay, Noel Tata described the resolution approving Chandrasekaran's reappointment as void, reported CNBCTV18.

The resolution was passed at a Tata Sons board meeting on September 17 and grants Chandrasekaran another five-year term beginning February 21, 2027.

Noel Tata has argued that the reappointment was not included in the meeting's agenda, which originally listed only a briefing from the Nomination and Remuneration Committee. H...