https://www.hindustantimes.com/cities/gurugram-news/residents-fall-ill-water-contamination-suspected-101618769968843.html contamination in water...

https://www.hindustantimes.com/cities/gurugram-news/residents-fall-ill-water-contamination-suspected-101618769968843.html contamination in water...https://www.hindustantimes.com/cities/gurugram-news/residents-fall-ill-water-contamination-suspected-101618769968843.html contamination in water supply poses problems in Gurugram, India. www.watsan.in provides natural filters without electricity or wastage of water - standalone to larger community sizes.