supply of relay valve for rtr.relay valve for rtr.,overhauling kit for f2 feed valve consisting of 26 items as per scope of supply (annexure-b) enclosed. make: sona blw precision forgings limited [ warranty period: 30 months after the date o f delivery ] ] , overhauling kit for pressure reducing valve consisting of 08 items as per scope of supply (a nnexure- c) enclosed. make: sona blw precision forgings limited. [ warranty period: 30 months aft er the date of delivery ] ] , overhauling kit for relay valve of rake test rig consisting of 14 items as per (annexure- d) enclosed. make: sona blw precision forgings limited. [ warranty period: 30 months after the date of delivery ] ] , relay valve for rake test rig as per escorts make no. 2kb 1206, make:sona blw precisio n forgings limited. [ warranty period: 30 months after the date of delivery ] ] , overhauling repair kit for drivers brake valve consisting of 08 items as per scope of supply ( annexure-a) enclosed. make: sona blw precision forgings limited. [ warranty period: 30 months af ter the date of delivery ] ] , 4 inch pressure gauge (bp) for rtr as per escorts drawing no. 3kb 3733/1, make: sona bl w precision forgings limited. [ warranty period: 30 months after the date of delivery ] ]