MUMBAI, Sept 15 (Reuters) - Below are the July-September advance tax numbers for Indian companies compared with the year ago numbers provided by a source at the Income Tax department. ----------------------------------------------------------------------------- Name of company Sector July-Sept 11 July-Sept 10 %chg ----------------------------------------------------------------------------- Mahindra & Mahindra Auto 1,700.00 1,600.00 6.25 Bajaj Auto Auto 2,500.00 2,400.00 4.17 Tata