The City infrastructure plan was to assess the water supply conditions in Shela , Manipur and Godhavi. Based on analysis it was found that these villages are highly dependent on groundwater and the submersible water quality is not safe in these villages. Eventually water demand is high in these areas due to agglomeration of new settlements and the supply is inadequate. So Instead of disposing the Grey water untreated, Utilizing the treated sewage by implementing Dual plumbing system to meet the water demand. An approach to sustainable water management by efficient and safe technology to reduce the water stress.