File colour.....(X-C)

hey!!!
Ravi sir said today that we will be having 1 file each for physics,chemistry and biology and each file is different in colour.so .... i thought we will have RED for Chemistry,,,,,,,,,,,,Green for Biology and BLUE for physics.....anyone who has any other opinion in the colour of the file...please reply to the post with your opinion.....I will collect the money on Sunday and you will get your files by monday....so please get this money by sunday.......And about the rate of the file....i will make another post tomorrow or day after tomorrow after inquiring in the shop....
vishi