supply of fire retardant curtain fabric for first class ac coaches and executive chair car , fire retardant curtain fabric for first class ac coaches and executive chair car of width 1220mm, mass of fabric shall be 250 plus or minus 20gm/sq.meter and the shade & colour should confirm to grade no.ppa57/1a of m/s. indi an rayon and industries ltd. the firm shall submit samples of above said design/pattern and colour/shade in size 300 x 3 00mm for approval. to rdso spec. no. c-9911 (rev.3 of feb.05, with amendment no. 4 of apr.15 and corrigendum 1 of may 15). [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]