According to reports, Tata Group chairman N Chandrasekaran is considering the option of shutting down the mobile services business, Tata Teleservices (Tata Tele), after attempts to sell the beleaguered unit failed. If the group goes ahead with its plan, it will be the first major Tata unit to be closed down in its 149-year-old history.N Chandrasekaran looks to shut down Tata Teleservices