Chandrasekaran's exit adds yet another chapter in the succession battles that have shaped Tata Sons over the past three decades. 2016-17: Ratan Tata returns and Chandra eraAfter Cyrus Mistry was removed as chairman in October 2016, Ratan Tata returned as interim chairman of Tata Sons. The appointment did not make Noel Tata chairman of Tata Sons, as the two positions are separate. However, it gave him significant influence because Tata Trusts owns about 66 per cent of Tata Sons. June 2026: Tata Trusts board avoids key issuesThe Tata Trusts board met on June 8 after several meetings had been cancelled amid legal challenges, including a dispute over a share transfer dating back to 1989.