design, construction of water supply scheme with electric driven motor pump and arsenic removal treatment plant having technology (adsorption/ion exchange/membrane/nano technology etc.) of csir or certified by csir or any other technology endorsed/approved by goi in the arsenic affected left out habitations/wards (quality affected) with operation and maintenance of 60 months after successful completion of minimum six months of trial run period under mukhya mantri gramin peyjal nischay yojana on turn key basis under p.h. division,lakhisarai.ward no.-1a,3a,3b,4c,5a,8a,9a,10c,12a,13a,14a panchayat-mahisauna under block-lakhisarai (total wards-11 nos.) group no- ql-v