Supply of Non - Asbestos L Type Composition Brake Block For 840 Mm Wheel Dia Conf Orming To Rdso Spec. No. Wd-13-Abr-2019. To Rdso Drg No : Contr.9404 - S /11, Alt : 7. War Ranty Period: 18 Months After The Date Of Delivery Quantity Tolerance +/-: 5 %Age, Item Category : Normal, Total Po Value Variation Permitt Ed: Max 8 Lacs