Presentation of paper F6

Hello Sir,

Happy New Year

Thank So much for all ur wonderful lectures and such an amazing website
And also thank u much for helping me with my queries i posted in this forum.

I wish to seek ur advice on the presentation area of the paper F6

Also Please let me know:

If I can use different colours of pen like for example blue for writting the mater and black for headings and highlights and colours like purple brown as highlights.

Thank U