Subbulu village have only one spring box, which is also steep down to the village and slippery way. It is situated very nearer to the aggri fields. In rainy season it gets contaminated with aggri effluents. The community leaders approached VJNNS having request by sharing the spring located at a distance of 2000 meters at source having good yield. The request of the community is genueine and recommended for the Gravity Fed Water Supply System is an appropriate solution to solve the drinking problem of the village for the present and future generations.