Six months after the Centre for Science and Environment came out with a report on pesticides in packaged drinking water, the industry has not felt the need to invest in upgraded processes. Contesting the CSE findings, packaged water producers like Bisleri, Coca-Cola and Pepsi said their facilities met World Health Organisation as well as Codex norms and there was no need to upgrade. Bisleri claims a 50 per cent growth in sales.