Construction of Integrated Andhra Pradesh State Secretariat and HoD Offices (Towers 3 and 4) in Amaravati Government Complex, Amaravati, Andhra Pradesh including amenity blocks, stilt areas and basements located on south of Palavagu consisting of PT Basement slabs, RC Core, structural steel floor beams, Structural steel diagrid, water proofing, deck sheet RCC flooring and other miscellaneous works, complying to requirements of IGBC Green new buildings Platinum level certification including 03 years Defect Liability Period on Design Build Item rate (Lumpsum) contract.