Investigation, Design and Construction of Physical Infrastructure such as Roads, Drains, Water Supply, Sewerage and Social Infrastructure like School Building, Primary Health Center, Commercial Complex and Community Hall in EWS Layouts at Vizianagaram (Saripalli & Sonia Nagar), Saluru, Nellimarla and Bobbili ULBs under PMAY (HFA) (U) Scheme at Vizianagaram District, Andhra Pradesh on Lumpsum contract (Percentage Tender) (with DLP of 2 years) (3rd call)