Supply Of 4\" Duplex Air Pressure Gauge Self Illuminated With Led Arrangement To Rdso s Drg. No.- Skdp-3512 (alt.-3) & Skdp-3518 (alt.-2) For Wap4 & Wag7 Locos And Acceptance As Per Rdso s Inspecti On Plan No.- Mp-tp-14 Of July-2000 (rev.-0) (amd. No.-2) Of June-2003. [ Warranty Period: 30 Months After The Date Of Delivery ]