supply of railway signalling cablerailway signalling cable,pvc insulated armoured unscreened underground railway signalling cable (heavy duty) with high conductivity copper conductor of size 12 core x 1.5 sq. mm. conforming to specification no. irs: s-63/2014 (rev.4.0) or latest.. [ warranty period: 30 months after the date of delivery ] , pvc insulated armoured unscreened, underground railway signalling cable (heavy duty)with high conductivity copper conductor of size 12 core x 1.5 sq. mm conforming ro specification no. irs:s-63/2014(rev.4.0) or latest. [ warranty period: 30 months after the date of delivery ] , pvc insulated armoured,unscreened,underground,railway signalling cable (heavy duty) with high conductivity copper conductor of size 12 core x 1.5 sq.mm conforming to specification no. irs:s-63/2014(rev.4.0) or latest. [ warranty period: 30 months after the date of delivery ] , underground, armoured, unscreened railway signalling cable (heavy duty) with high conductivity copper conductor of size 12 core x 1.5 sq mm as per specn. no.irs: s-63/2014 (rev.4.0) with latest amdt.if any. [ warranty period: 30 months after the date of delivery ] , pvc insulated armoured unscreened underground railway signalling cable (heavy duty)with high conductivity copper conductor of size 12 core x 1.5 sq. mm conforming to specification.no.irs:s-63/2014(rev.4.0) or latest. [ warranty period: 30 months after the date of delivery ]