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 Bilat Chauk 12-19 Block Desari Panchyat Bhikhanpura Ward No. 02, 07, 08 Of Vaishali District Under P.H.Division, Hajipur.