TATA POWER CO.LTD. revenue for the last year amounted to 614.49 B INR, the most of which — 362.06 B INR — came from its highest performing source at the moment, Transmission and Distribution, the year earlier bringing 345.29 B INR. The greatest contribution to the revenue figure was made by India — last year it brought TATA POWER CO.LTD. 613.66 B INR, and the year before that — 558.61 B INR.