No, the student can appear in one or more than one subject as per his/her choice at the annual examination only. Improvement exam. can be taken only in the successive year of passing Class X/XII exams. However, candidates passing under Vocational Scheme may reappear in the succeeding year or the following year provided they have not pursued higher studies.
Candidates can appear for improvement of performance in the subjects(s) only in which they have been declared pass and not in the subject in which they have been declared fail.
Life isn't about finding yourself. Life is about creating yourself. - George Bernard Shaw