Tender For wd-sc-kzj section: complete track renewal (s) of exg 90r/52/60kg rails with 60kg/90uts (cl-ii) rails on psc6 / wider base sleepers with 1540 nos/km/1660 nos/km density for a length of 11.913 kms and through sleeper renewal (s) of existing st/cst-9/psc5 sleepers with psc6/wider base sleepers with 1540 nos./km/1660 nos./km density for a length of 1.134 kms at various yards under den/central/sc section.