Water filtration

75 years of people’s power: Lambra in Punjab uses dry ash to treat grey water

75 years of people’s power: Lambra in Punjab uses dry ash to treat grey water

Sushmita Sengupta

13 Aug 2022

6 min read

Ban RO systems if dissolved solids are less than 500 mg/l: NGT

Ban RO systems if dissolved solids are less than 500 mg/l: NGT

28 May 2019

4 min read

Soak pit revolution: two villages in Mewat treat their own wastewater

Soak pit revolution: two villages in Mewat treat their own wastewater

01 Dec 2012

4 min read

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Snippets

30 Sep 2005

1 min read

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