VJNNS, NGO operating in Tribal villages of Visakhapatnam district has designed a Gravity fed water supply system (GFWSS) for vulnerable communit...

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VJNNS, NGO operating in Tribal villages of Visakhapatnam district has designed a Gravity fed water supply system (GFWSS) for vulnerable communities suffering due to non-availability of water. https://www.youtube.com/watch?v=KWL-YGd1pdo