sbc division: sw-i: sbc-sa section: through ballast recoupment for a length of 6.0 kmfrom km 39/500-45/500 & 6.20km from km 45/500-51/700 in den/s/sbc section. sw-ii:sbc-sa section: through ballast recoupment for a length of 24.96km from 67/000-86/4000,105/590-110/300,115/300-116/150 sl in den/south section.bidding type normal tender .