On page 2 of the rules:
(vi). For whatsoever reasons, a candidate who misses any
compulsory or optional subject of written examination for medical
or any other reasons shall not be allowed to appear in the remaining
subjects.

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I personally think they will let you in and attempt the papers, or not notice it — but maybe they might tally your attendance later and not check your remaining papers.

I'm sorry about this, buddy. I wish you good luck for next time!