Plans include building lasting institutions, developing a network of 40 to 50 nonprofit hospitals and pursuing partnerships with other philanthropies. Tata Trusts chairman Noel Tata on Saturday voiced concern that listing Tata Sons could alter the way the Tata Group functions, warning that with tens of thousands of shareholders, profit could one d. Noel Tata has opposed a proposed listing of Tata Sons, warning that public shareholders could alter the group's.