10 Mm Thick Composite Grooved Rubber Sole Plate To Rdso Drg No. T-8528 Alt -1 With Ir S Spec. T-55-2025(Revision 1) For Wider Psc Sleeper (Rt-8527) With 136Re & 60 Kg (Uic) Rail . Latest Al T/Revision To Drg/Spec. As Amended Upto Date Of Closing Of Tender Will Be Applicable. [ Warranty Perio D: 96 Months After The Date Of Delivery ] [ Rate Of Supply 36129 Units Per Month , Commencement Time Allowed -2 Month ]