supply of solid polythene insulated fully filled, polythene sheathed 20 pairs pijf underground telecom cable with armoured having 0.5 mm dia. of each conductor as per tec gr no. gr / cug-01 / 03 aug 2003 ( tec standard: tec 68090: 2003 ) .solid polythene insulated fully filled, polythene sheathed 20 pairs pijf underground telecom cable with armoured having 0.5 mm dia. of each conductor as per tec gr no. gr / cug-01 / 03 aug 2003 ( tec standard: tec 68090: 2003 ) ., solid polythene insulated fully filled, polythene sheathed 20 pairs pijf underground telecom cable with armoured having 0.5 mm dia. of each conductor as per tec gr no. gr / cug-01 / 03 aug 2003 ( tec standard: tec 68090: 2003 ) . j.e. / tele-1 / g / dhn , ecr jharkhand 50.00 kilometre sse / sig / con / dhn , ecr jharkhand 1.00 kilometre