Tenders for Supply of Isolating Cock Olp Type For Locations Other Than Brake Cylinder Ball Ty Pe And Conforming To Rdso Spec. No: 02-Abr-02, Amendment No. 4 Of September 2016, App Endix-I Drg To Rdso Drg No : Sk. 97002 Alt : 2. Warranty Period: 36 Months After The Date Of Delivery