supply of polyvastra bed sheet size 140 x 229 cms for first ac coaches , polyvastra bed sheet size 140 x 229 cms for first ac coaches variety 15-1/2 152 cms tst poly coating (152 cm kora) (bleached 140 cm) as per specifications issued vide railway board letter n o. 2004/rs(g)/113/1 dated 26.10.2005 annexure a, with printed strips 1 cm wide along the length of th e bed sheet at a distance of 30 cms + 3 cms away from each side in attractive royal blue colour, with t he legend central railway, mm/yy (month & year of manufacture) in english & madhya rail, mm/yy (m onth & year of manufacture) in hindi in devnagari script alternately with gaps of 15 cms. [ warranty p eriod: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]