India, March 21 -- Severalsuch firmsevade drinking water standards and avoid regulation

India may have thousands of commercial plants making reverse osmosis (RO) systems, but only a few of them adhere to standards set by government agencies. IS 14543 of the Bureau of Indian Standards (BIS), issued in 2016, asks commercial RO plants to ensure the water they sell is packaged and has all information on manufacturing, production, packaging date as well as expiry and various parameters on every packet, bottle or jar. About 6,328 units in the country are licensed under this standard.

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However, these standards ...