Tender For (i) udn-usd section- raising of approach walls, roads, earthworks, grouting, etc. to avoid seepage, runoff water & waterlogging on various rub under aden-vya section. (ii) udn-usd section strengthening of toe wall, return wall, ballast wall, slab, pier abutment etc. of major bridge no 17, 52a, 26, 60, 63 & 70.