He said Tata Trusts would work with regulators and other stakeholders to find a solution that preserves the group. You are using an outdated browser. Please upgrade your browser to improve your experience and security. New Delhi, Nov 14 (PTI) Tata Trusts Chairman Noel Tata on Saturday said that listing Tata Sons will "fundamentally change" the over 150-year-old group's way of working and stressed that its largest.