Supply of Inner Spring For Bolster Of Casnub 22 Hs Bogie Boxnhs Wagon. Drawing No. : Rdsos Drg. No. Wd-92058-S-05, Alt. 13, Item No. 2. Material And Specification : Is: 3195 :1992 Rev. 3 With Amend. No. 2 O F Sept. 2000, Gr.: 60Si7; And Conforming To Rdsos Specification No. Wd-01- Hls - 94 Rev. 4 Of June 2022. Warranty Period: 48 Months After The Date Of Delivery