Supply of Passenger Emergency Alarm Valve Complete. Drawing No. : Rdsos Drg. No. Sketch - 97029, Alt. 3, Item Nos. 1 To 24 In Assembled Condition. Material And Specification : As Per Drawing And Conforming To A Ppendix-J Of Rdsos Spec. No. 02-Abr-02 With Amend. No. 4 Of Sept. 2016. Warranty Period: 36 Months Aft Er The Date Of Delivery