Sir,, I am not in 20 percentile student in cbse,, i got 76.6 % marks,, in 12th cbse,, I wanna know that if i give improvement exam for all subjects and got 80 % marks means in 20 percentile students,, and also give jee main & Advanced next year,, so which of my marks will be considered for jee advanced next year,, my original marks or my improvement marks,,, PLZZZ HELP