design, construction, supply and commissioning of mini piped water supply scheme

design, construction, supply and commissioning of mini piped water supply schemes with electric powered pumps and suitable treatment plants activated alumina based or nano technology based or any approved technology csir for removal of excessive fluoride or arsenic in the fluoride affected habitations of eleven districts viz nalanda, rohtas, aurangabad, gaya, kaimur, sheikhpura, bhagalpur, banka, munger, nawada and jamui and in the arsenic affected habitation of seven districts viz patna, saran, samastipur, darbhanga, bhagalpur, lakhisarai and begusarai of bihar on turnkey basis with three months trial run after commissioning and comprehensive o and m of twelve months after successful completion of trial run period in the following groups: group a fluoride affected habitations -different blocks of bhagalpur, mungar, sheikhpura districts .