Hi

Since you got Repeat theory that means you have not qualified that subject and you need to appear again. Now as you have not cleared just one paper you will be placed under compartment exam and compartment exam can only be given 3 times in a continuous session after your result is declared.

There are subsequent three chances of compartment examination in class XII that is if a candidate appeared for 2020 examination and placed in compartment then he can appear in July the same year, Second Chance in March/April of next year (i. e. 2021) and Third Chance in July of next year (i.e. 2021).

In this case you cannot appear for this paper since the 3 sessions for which you were eligible are already over. But you can register again for CBSE and reappear again for your boards. If you still have doubts it would be best to get in touch with CBSE office through the helpline.

Hope this answers your query!