Supply Of 20 Pair 0.5Mm Dia Polythene Sheathed Jelly Filled Underground Telephone Cable With Poly Aluminium Moisture Barrier Annealed Copper Conductor Double Steel Tape Armoured With Polythene Jacketed As Per Rdso Specn. No.Irs.Tc.41/97, Amdt. 3 Or Latest Length Should Be 500 Mtrs. Drum./56225247A/105930120 (EXPIRED)