Construction of 2322 tenements Using Prefabricated Concrete Technology On Lump-Sum Turnkey Design & Build basis including all services such as Internal and External water supply, sanitary, electrification and development works at (i) Kotturpuram scheme (1800 tenements with S+6 pattern) in Greater Chennai Corporation Dn No. 170 and (ii) Appavoo Nagar and Subbupillai Thottam scheme (522 tenements with S+6 pattern) in Greater Chennai Corporation Dn. No. 169 under HFA under– PMAY.