supply of densified thermal bonded polyester block cushion for transverse middle, upper and side upper berthdensified thermal bonded polyester block cushion for transverse middle, upper and side upper berth,densified thermal bonded polyester block cushion for transverse middle, up per and side upper berth of iii tierac coaches to size 1795 x 583 x 95 mm .to item no 6 of rcf dr g no ae -61444,alt .f specn. material to rdso spec.no ck -607 rev2 of dec 2015. [ warranty peri od: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted : max 8 lacs ] ]