Tender For technical up gradation of tamping machines by providing smart alc with software/program for design mode tamping of track by using alc in 6 unimats ( uni -8282, 8417, 8265, 8288, 8308 & 8278), 3 csms (csm-937, 933 & 934) and 7 duomatic (8067, 8062, 8093, 8115, 3320, 8126 & 8057) of sc railwaytrackmachines