How This Bengaluru Man Saves 24000 Litres of Water Every Year Using Just RO WastewaterSustainabilityBy Raajwrita Dutta16 Apr 2025 17:34 ISTBengaluru resident Prabhat Vijayan built a DIY setup to reuse RO wastewater, saving 24,000 litres a year. Here's how he did it and how you can too!Read More