construction of super structure (in open web girders of span up to 76.2 m as per rdsodrawings) of bridges over river pagla (3x61m) at chainage 25650 and viaduct near pherimastation (7x76.2m) at chainage 43000 and other related works between proposed stationssukhovi and pherima in connection with dimapur (dhansiri)-kohima (zubza) new line project.bidding type two stage reverse auction .