HELP!! MY FRIEND FAILED IN MATHS COMPARTMENT BUT HE IS A JEE 25 DROPPER.

Hey guys JEE aspirant this side scoring good in drop year but i'm concern bout my Boards I failed my maths boards exam having RT there my school fill the form for compartment but unfortunately I failed there too idk what's wrong w me but yeah now the scenario is i'm really really concer bout what I've to do am I eligible for CBSE private candidate next year 2025 and can I fill for more subjects there