supply of procurement of 0.50 mm dia annealed tinned copper conductor pvc insulated cores colour coded tapped & overall pvc sheathed 6 pair telephone cable etc.procurement of 0.50 mm dia annealed tinned copper conductor pvc insulated cores colour coded tapped & overall pvc sheathed 6 pair telephone cable etc.,0.50 mm dia annealed tinned copper conductor pvc insulated cores colour coded tappe d & overall pvc sheathed 6 pair telephone cable as per tec%u2019s specification no. gr/wir-06/03 march 2002 with latest amendment if any. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]