Sulabh International, an NGO headquartered in Palam – Dagri Marg, is known for having pioneered the twin-pit pour-flush toilet ... But none of Sulabh’s toilet designs is patented.

Septic tanks are the most popular option, with 28% of toilets connected to a septic tank with a soak pit and 6% to a tank without a soak pit. The twin pit has been promoted by the Ministry of ...

In the early 1970s, he made a cheap twin-pit toilet - a design which has since been used to build clean toilets in hundreds of thousands of homes across India, helping millions of women access ...

The campaign was launched at a Collectors Convention for Toilet Technology organized in the Capital. The campaign focuses on promoting the twin pit toilet technology in rural India, and also ...