Hello

Guideline of CBSE for the practical marks of 33% + 33% theoretical marks and 33% of in aggregate marks of the subject is added to the final result of class 12 examination. On the other hand for every board as it of Gujarat secondary Education Board also this rules is followed for marking of any subjects which has practical laboratory work included in the subjects marking. Asphal information the possibility of Gujarat secondary Education Board 60% of theoretical + 40% of practical this should be added to the aggregate marks of the subject.

Hope this you will help.

Hope these helps.