supply of fire retardant curtain fabric for.fire retardant curtain fabric for.,fire retardant curtain fabric for all ac coaches except ac first class and e xecutive chair car of width 1220mm, mass of fabric shall be 250 plus or minus 20 gm/sq.m eter and the shade and colour should conform to grade no.ppa57 of m/s. indian rayon a nd industries ltd. the firm shall submit samples of above said design/ pattern and colou r/shade in size 300 x 300 mm for approval. to rdso spec. no. c-9911 (rev.3 of feb.05, with amendment no. 4 of apr.15 and corrigendum 1 of may15). [ warranty period: 30 months afte r the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited