supply of pvc insulated armoured unscreened, under ground railway signaling cable 2 core 2.5 sq mm copper etc. (detailed description as per item description) , pvc insulated armoured unscreened, under ground railway signaling cable 2 core 2.5 sq m m copper to spec.no.irs:s-63/2014(rev. 4.0) with latest amendment/specification (used in gaga station) [ warranty period: 30 months after the date of delivery ] ] , pvc insulated armoured unscreened, under ground railway signaling cable 2 core 2.5 sq m m copper to spec.no.irs:s-63/2014(rev. 4.0) with latest amendment/specification. (used in construction of stabling line at jbn) [ warranty period: 30 months after the date of delivery ] ] , pvc insulated armoured unscreened, under ground railway signaling cable 2 core 2.5 sq m m copper to spec.no.irs:s-63/2014(rev. 4.0) with latest amendment/specification. [ warranty period: 3 0 months after the date of delivery ] ]