Reliable Water Purifier Repair and RO Service in Kolkata at Affordable Rates Access to pure drinking water is not a luxury anymore, especially for households in cities. In Kolkata, where impurities in tap water are common, using a water purifier has become critical. Most homes rely on RO (Reverse Osmosis) https://eliteworld886.onzeblog.com/37100878/what-readers-say-about-ro-service-near-me-and-get-to-know-more-about-it