design, construction, supply, testing and commissioning of piped water supply schemes for habitations left out under har ghar nal ka jal nischay yojna in areas having ground water quality issues; with electric driven pumps and iron (strike off irrelevant impurity) removal treatment plant having technology (adsorption/ ion exchange/ membrane/ nano technology/etc.) certified by csir or any other institute of national repute. in aashiyani, malopara, nandaniya, raiber, routa, sishabari, baluwagostra, chandwar, chandel, dhusmal, kanfaliya, kanjiya, khapra manjhok, mungrapiyaji, sirsi panchyat of baisa block and aamgachi, adhang, bakeniyabreli, barbatta, bengramehdipur, dahuwabari, dalmalpur, jhowari, dhurpeli, machatta, majhuwa hat, bishanpur, tiyarpara, bara idgah, bhawanipur, dahuwabari, gyandov, hafaniya, haripur, kharaiya, khari mahingown, nitendar, rangraiya lal toli, talbari, tiyarpara panchyat of amour block (total-135nos. schemes) in the district of purnea, bihar on turn-key basis with 06 months trial run period and comprehensive operation and maintenance of 60 months under mukhyamantri grameen peyjal nishchay yojna (quality affected) under p.h. division, purnea.