Densified Thermal Bonded Polyester Block Cushion For Back Rest Cum Berth (Side) For Iii Tier Ac Coaches. To Items 1 To 4 Of Rcf Drg No Ae- 61457,Alt D Specn Material To Rdso Spec No Ck -607 Rev 2 Dec 2015 [ Warranty Period: 30 Month S After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]