supply of pvc insulated cable for railway signalling size 2 core x 2.5 sqmmpvc insulated cable for railway signalling size 2 core x 2.5 sqmm,pvc insulated cable for railway signalling heavy duty under ground unscreened armoured with galvanised round steel wire and the conductor of plain solid annealed high c onductivity copper each with nominal cross section area of 2.5 sqmm conforming to specn no.i rs: s-63/2014 (rev 4.0) or latest. size 2 core x 2.5 sqmm [ warranty period: 30 months after the date o f delivery ] [quantity tolerance (+/-): 2 %age , item category : special (signaling cables) , total po value variatio n permitted: not applicable ] ] amm/gsd/goc, sr tamil nadu 72333.00 metre