Tata Trusts, which along with affiliated trusts controls about 66 per cent of Tata Sons, said that all available options, not only a listing, should be examined urgently

On the Bombay Stock Exchange (BSE), shares of Tata Chemicals soared 20 per cent, while Tata Investment Corporation gained 15.24 per cent, Tata Motors Passenger Vehicles traded 5.89 per cent higher, TCS surged 5.47 per cent