Investigation, Survey, Design and Construction of 22 Nos. of Sewage Treatment Plants (STPs) under Package-II with Cumulative Capacity of 157.10 MLD at various ULBs in the State of Andhra Pradesh based on Modern Technology with three months trial run Post Completion, Operation & Maintenance of entire Sewage Treatment Plant for 05 (five) years including 02 (two) years Defect Liability Period - EPC Tender - 2nd Call