supply of pillow cover for second and third ac coachespillow cover for second and third ac coaches,pillow cover for second and third ac coaches conforming to the specification as under :- size 66 x 41 cms with border of 3.5 cms, all-four-si des, with interlocking to be provided, over and above the basic size of 66 x 41, thus resulting into an overall size of 73 x 48 cms. material conforming to v ariety no.12, is:745: 2003 with latest revision/ amendments, screen printing in royal blue colour as western railway, mm/yy (month & year of manufact ure) in english, and paschim railway, mm/yy (month & year of manufacture) in hindi, in two longitudinal (along length) strips, 1.5 cms wide in in royal blue colour. each pillow cover should be stitched by cotton thread of variety 12 as per is: 1720/1978 with latest revision/ amendments. the stitches shou ld not be less than 4 nos. per cm. [ warranty period: 30 months after the date of delivery ] ]