CLEAN SCIENCE AND TECHNOLOGY L revenue for the last year amounted to 7.92 B INR, the most of which — 7.80 B INR — came from its highest performing source at the moment, Organic Chemicals, the year earlier bringing 9.06 B INR. The greatest contribution to the revenue figure was made by Rest of the World — last year it brought CLEAN SCIENCE AND TECHNOLOGY L 4.97 B INR, and the year before that — 6.71 B INR.