supply of supply of 12 core signalling cable.suppiy of 12 core signalling cable.,pvc insulated, armoured, unscreened, underground railway signalling cab le [copper conductor] of size 12 core x 1.5 sq.mm as per rdso specification no. irs:s-63/2 014 [rev.4.0] [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 2 %age , item category : special (signaling cables) , total po value variation permitted: not applicable ] ] sse/sig/agc, ncr uttar pradesh 85.85 kilometre sse/sig/aljn, ncr uttar pradesh 14.00 kilometre sse/sig/c/ald, ncr uttar pradesh 2000.00 kilometre sse/sig/const/mtj, ncr uttar pradesh 1992.00 kilometre sse/sig/etw, ncr uttar pradesh 78.00 kilometre sse/sig/gwl, ncr madhya pradesh 25.00 kilometre