HAPPIEST MINDS TECHNO LTD revenue for the last year amounted to 14.29 B INR, the most of which — 6.92 B INR — came from its highest performing source at the moment, Product Engineering Services, the year earlier bringing 5.23 B INR. The greatest contribution to the revenue figure was made by United States — last year it brought HAPPIEST MINDS TECHNO LTD 9.73 B INR, and the year before that — 7.11 B INR.