Independent Engineer Services For Upgradation/ Strengthening Of Existing Two/ Four Lane Carriageway To Four Lane Divided Carriageway From Ch 132.32 (Existing Km 454.5) In Dhamasiya Village In Naswade Taluka To Ch 179.78 (Existing Km 506.66) In Bitada/Movi Village In Netrang Taluka (Length 47.46 Km) Section Of Nh-56 In Gujarat On Ham (Pkg-Iv)