Supply of Coupler Body With Shank Wear Plate For High Tensile Transition Cbc Bg Of Ac Electric Loco As Per Rdso Specification No. Rdso/Str-56-Bd-07 With Amend. No. 1 Of Sept. 10 And Conforming To Rdso Drg.No.Sk.62724 Alt.28, Or Latest, Item 18 & 10..