As per rule 26 of the Examination Byelaws of the Board, the candidate cannot offer a subject in classes X and XII which he/she has not studied and passed in class IX and XI respectively.
Notwithstanding anything contained in the rule to avoid undue hardship to the candidate change of subject in class X/XII is permitted. Request for change of subject has to be made before 31st August.
Love isn't something you find. Love is something that finds you. - Loretta Young