The Civil Supplies Corporation has introduced this system where cement manufacturers will have to contain the cost of testing at the National Accreditation Board for Testing and Calibration Laboratories (NABL) approved labs to ensure supplying quality cement for government works. Ambuja Cements Limited, Ultratech Cement, ACC Cement and Duraton supply cement to the state governments at subsidised rates. Because it is supplied at a subsidised rate to the governments, the product quality cannot be ruled out. To ensure good quality cement is supplied, the companies would have to bear the testing costs only through NABL-approved labs. Each test costs Rs 20,000, which was borne earlier by the corporation, and the higher cost acted as a deterrent to adequate testing. The quality testing will be undertaken on the receipt of complaints as cases of substandard cement also pour in. Cement manufacturers have said that these complaints may sometimes be fake to allow the entry of other players.