Excavation Of Trenches, Laying Of Signalling, Quad And Power Cables, Casting Of Foundation And Erection Of Apparatus Cases, Junction Boxes, Fixing Of Power Equipments, Relays, Installation Of Relay Racks, Track Circuits, Axle Counters (Analog/Digital/Msdac), Etc. For Provision Of Standby Ssdac In 20 Block Section (Ib-Jsg Road,Jmg-Krl,Krl-Jmg,Krl-Jmg,Krl-Rig,Krl-Rig,Rig-Krl,Rig-Krl,Rig-Kdtr,Rig-Kdtr,Kdtr-Rig,Kdtr-Rig,Kdtr-Bef,Kdtr-Bef,Bef-Kdtr,Bef-Kdtr,Bef-Rob,Bef-Rob,Rob-Bef,Rob-Bef,) In Bilaspur Division, And In Section(Bsp-Dph Up Line,Bsp-Dph Dn Line,Bsp-Dph Midile Line,Dph-Upibs-Upline Byl,Byl-Dnibs-Dnline Dph,Dph-Byl Midil Line,Byl Upibs-Dgs Upline,Dgs Dn Ibs-Byl Dn Line,Byl-Dgs Midil Line,Dgs Up Ibs-Npi Up Line,Npi Dn Ibs- Dgs Dn Line,Dgs -Npi Midil Line, Npi Up Ibs- Byt Up Line,Byt Dn Ibs- Npi Dn Line,Npi-Byt Midil Line,Byt Up Ibs- Hn Up Line, Hn Dn Ibs- Byt Dn Line,Byt-Hn Midil Line)Dual Track Detection System For Improving Availability Of Block Proving By Axle Counter In Raipur Division Of S. E. C. Railway