supply of polyvastra bed sheet 140x229 cm with printed strip 1 cm wide along with the length of the bed sheet at a distance of 30 cms plus or minus 3 cms away from each side in attractive royal blue colour with the legend west central railway and month and year of manufacture in english and paschim madhya rail and month and year of manufacture printed in hindi devnagri script alternate with gaps of 15 cms . ( tag stitched in corner, manufacturers name, batch no. and lot no. on every bed sheet. ) and specification as per attached annexure a of railway board letter no. 2004 / rs / g / 113 / 1 dt. 26.10.2005. [ warranty period: 18 months after the date of delivery ]