Investigation, Survey, Design, Supply, Construction, Installation, Testing and Commissioning of Three (3) Sewage Treatment Plants of total capacity of 6.40 MLD (Mallayapalem - 4.30 MLD at Gudiwada ULB,Rudhravaram - 1.60 MLD and Gosangam - 0.50 MLD at Machilipatnam ULB) based on any appropriate Technology (Technology Neutral) with POst completion Operation and Maintenance of entire Sewage Treatment Plants for 7 (seven) years including 02 (two) years Defect Liability Period under EPC system under PMAY (HFA) (U) Scheme at Krishna District, Andhra Pradesh.