Estimate For Water Supply Distribution Network With D.I. Hdpe Pipes, H.Y Tube Well , Motor, House Connection Under Multi Villages Surface Water Supply Scheme Bidupur For Area Situated In The Catchment Of Esr Khokhsa Kalyan 7-19 Block Desari Panchyat Khoshka Kalayan Ward No. 01, 02, 03 Of Vaishali Under P.H.Division, Hajipur.