India, March 21 -- Water purifiers that use reverse osmosis (RO) are emerging as a popular choice for safe and clean drinking water in India. But experts warn that RO water with dangerously low levels of mineral content can have adverse impact on health

Imagine a business that does not involve raw material cost and deals with a product that is in high demand. That is what the business of supplying RO water (or water purified through reverse osmosis) is like in Vidarbha region, says Vinod Lunge of Mangrulpir taluka in Maharashtra's Washim district. Lunge used to work with a land development bank in Washim till 2011. After the bank shut shop, he decided to try his luck in the booming water purification market, and set up an RO plant at one...