design, construction, supply, testing, commissioning of water supply schemes with electric driven pumps non quality habitation wards of districts of bihar on turn key basis with 3 months trial run after commissioning and comprehensive operation and maintenance of 60 months after successful completion of trial run period under mukhya mantri yojna in gaura 1 panchayats ward no.9a 9b, 10, 12a, 12b under teghra block .