India, Nov. 14 -- For most of his four decades at the Tata Group, Noel Tata shunned the spotlight and ran the group's smaller businesses. One of them, Trent Ltd, grew under his watch into one of the group's most valuable companies and among India's largest retail chains. On October 11, 2024, he was named chairman of Tata Trusts, the charitable trusts that own 65.9% of Tata Sons. Now the quiet Tata is its loudest voice. In a volley of letters in October, he challenged the holding company board's decision to reappoint N Chandrasekaran as executive chairman and pushed back against taking Tata Sons public. He stepped down from some group boards this week, when he turned 70. He keeps his seat on the Tata Sons board.The coming months and years wi...