Tenders for Supply of Side Frame Friction Liner To Rdso Drg No. Sk-69594, Alt.37, Item No.7, And Line R Shall Be Marked With Manufacturer Initial And Month And Year Of Manufacture By Metal Laser Engraving In 6 Mm Size And 0.1 Mm Of Minimum Depth On Opposite Side Of W Earing Surface As Per Rdso Letter No.Mw/Plng/Csnb/Vendor Dated 10.11.2023 Warranty Period: 30 Months After The Date Of Delivery