(FILES) Chairman of Tata Sons and Tata Motors, Natarajan Chandrasekaran, speaks during the Auto Expo 2020 at Greater Noida on the outskirts of New Delhi on February 5, 2020. In little over a month, the chairman of India's corporate giant Tata Group has gone from seeking another term to announcing his departure to returning to the role. The saga around N. Chandrasekaran, who has headed the $185-billion empire for nearly a decade, has laid bare the succession challenge confronting India's industrial behemoths. (Photo by Money SHARMA / AFP via Getty Images)