supply of signalling cable-2 core x 2.5 sq mm, pvc insulated armoured, unscreened, underground railway signalling cable copper conductor as per specification no. irs-s-63 / 2014 ( rev. 4.0 ) or latest amendment, size 2 core x 2.5 sq.mm or latest [ warranty period: 30 months after the date of delivery ] , pvc insulated armoured, unscreened, underground railway signalling cable copper conductor as per specification no. irs-s-63 / 2014 ( rev. 4.0 ) or latest amendment, size 2 core x 2.5 sq.mm or latest [ warranty period: 30 months after the date of delivery ] , pvc insulated armoured, unscreened, underground railway signalling cable copper conductor as per specification no. irs-s-63 / 2014 ( rev. 4.0 ) or latest amendment, size 2 core x 2.5 sq.mm or latest [ warranty period: 30 months after the date of delivery ] senior section engineer ( signal / store ) gujarat 1.00 kilometre , pvc insulated armoured, unscreened, underground railway signalling cable copper conductor as per specification no. irs-s-63 / 2014 ( rev. 4.0 ) or latest amendment, size 2 core x 2.5 sq.mm or latest [ warranty period: 30 months after the date of delivery ] senior section engineer ( signal / store ) gujarat 1.00 kilometre , pvc insulated armoured, unscreened, underground railway signalling cable copper conductor as per specification no. irs-s-63 / 2014 ( rev. 4.0 ) or latest amendment, size 2 core x 2.5 sq.mm or latest [ warranty period: 30 months after the date of delivery ]