Proposed doubling of the Mahbubnagar–Dhone section — construction of five important bridges including Bridge No. 398 over the Krishna river (34×24.40 m PSC box girder) and Bridge No. 442 over the Tungabhadra river (45×18.30 m PSC U-girder), along with earthwork on approaches, protective works and miscellaneous works in Hyderabad Division of South Central Railway, Telangana.