Tenders for Supply of Brake Shoe Key To Irs Drg. No. W/Bg-6150, Alt-2 Material And Specification Confirming To Is:3885Part-1-1992 Re-Affirmed Year: 2001 Amendment No.1 Of January- 1995, Gr-4, Or Is:3195-1992, Read With All Amends. Latest Amend.No.2 Of Sept.2000, Gr.55 Si7 Oil Harding Quality, Heat Treated 310-370 Bhn Warranty Period: 30 Months After The Date Of Delivery