replacement of steel girder by psc slab bridges of 12.20 m span of br no.42,43 & 47 of fl-dna section & br. no.35 of mtd-ju section & replacement of existing steel girders bridge no. 39 at km 557/4-7 of 9.15 mt. span with psc slab in the jurisdiction of sr.den/east over jodhpur division
