How can i give full 12th cbse again next year

My_qualifications i got a 81.8% 12th cbse but i am not very happy with my results i wanna give the whole cbse again next year i am ready to take a drop year i just wanted to know if its possible and that i get practical marks too because my counsellor is saying its not possible

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u/EvenAbbreviations595 — 18 days ago