tender for 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 removal treatment plant having technology (adsorption/ ion exchange/ membrane/ nano technology/etc.) certified by csir or any other institute of national repute. 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), in gp- chickni dumaria (4b, 5b, 6b, 12b), parasmani (8b, 12b), rajghat garail (6b, 11b), dameli (5b, 12b), sarsi (5b), mogalia purandaha west (8b, 16b), mogaliya purandha east (14b, 16c), and rangpura south (1b, 2b, 2c, 4b, 5b, 5c, 10b) of block- dhamdaha (total- 22 nos. schemes) under p.h. division, dhamdaha