Providing Sewage Treatment Plants (STPs) at the locations of 1) Biradawada (0.90MLD) in Naidupet-II ULB 2) Mannrupoluru (0.80MLD) of Sullurupeta II ULB 3) Chevireddypalli (0.80MLD) of Venkatagiri II ULB (4) Akkacheruvupadu II (1.60MLD) (5) Kallurupalli II(1.10MLD) (6) Kondlapudi II and III (1.20 MLD) of Nellore ULB (Total 6.40MLD) in Nellore district of Deputy Chief Technical officer, Nellore Circle, APTIDCO, Developed Affordable Housing Projects in Andhra Pradesh on Design, Engineering, Construction, Supply, Installation, Testing, Erection and Commissioning and thereafter Operate and Maintain the STPs for 5 (Five) Years basis (including Defect Liability Period of two years from the Date of Completion of Project)