TATA CONSULTANCY SERVICES LTD. revenue for the last year amounted to 2.41 T INR, the most of which — 909.28 B INR — came from its highest performing source at the moment, Banking, Financial Services and Insurance, the year earlier bringing 861.27 B INR. The greatest contribution to the revenue figure was made by North America — last year it brought TATA CONSULTANCY SERVICES LTD. 1.23 T INR, and the year before that — 1.20 T INR.