Providing Sewage Treatment Plants (STPs) at the Location of Tenali (Chinaravuru) (0.60MLD), Ponnuru (Nidubrolu) (1.25MLD),and Chilakaluripeta (Purusothapatnam) (2.80MLD) in Guntutr District (Total 4.65 MLD) of Guntur Circle APTIDCO Developed Affordable Housing Projects in Andhra Pradesh on Design, Engineering, Construction, Supply, Installation, Testing, Erection & Commissioning and thereafter Operate & Maintain the STPs for 5 (Five) Years basis (including Defect Liability Period of two years from the Date of Completion of Project).