Supply of Cut Off Angle Cock With Vent For Air Brake Wagons To Rdsos Drg. No. Wd-88123-S-01, Alt. No. 2 Two, Item No. 1 To 13 And Rdsos Specn. No. 02-Abr-02, With Amendment No.4 Of Sept.2016 Appendix-D. Mat. & Spec. As Per Drg. Warranty Period: 36 Months After The Date Of Delivery