The standoff at Tata Trusts between Chairman Noel Tata and trustee Mehli Mistry's camps may risk the stability of Tata Group, one of India's biggest conglomerates. This is because Tata Trusts owns Tata Sons' 66% stake. Tata Sons is the main holding company of Tata Group, with a 73% stake in Tata Investment Corporation and a 71.9% stake in TCS.