Tenders for Supply of Hanger Block For Bolster Suspension. Drawing No. : Icfs Drg. No. T-0-5-638, Alt. C / 13, Item No. 1. Material And Specification : Conforming To Rdsos Str No. C-K202 / Jan. 2002 With Amend. No. 1 / Aug. 200 2. Remarks : Marking Will Be T For Bg Main Line Coaches As Per Above Drawing And Specification. Warranty Period: 30 Months After The Date Of Delivery