^^I dont think it's marks for every exam. Its the final marks for each year.
@Anvesh- you need to have the final marks (and grade if its available) as well as the GPA (if available) for classes 9,10,11,12, in every subject.
Your Principal has to get it attested, and you need to put the school stamp/logo on it as well.
And a note in the end with some additional explanation could be added by the principal/counsellor (Ex. you came within the top 5% of your class/topped the class with rank x)
Hope that helps