CBSE 12th

Yes, you can apply to pursue an undergraduate degree at Rani Anna Government College. The Rani Anna College offers the following courses, which you can apply for if you have completed your 12th grade:
1. Bachelor of Arts programs in seven specializations, such as B.A. In Tamil.
2. A Bachelor of Science in one of eight specializations, for example, B.Sc. In Zoology.
3. Bachelor of Commarce (B.Com)
However, you need to have very good scores in your 12th grade to get admission. Admission to this college is based on 12th grade performance, and you must have 35% to apply. If your score is above 60%, you can get admission to B.A. Courses at Rani Anna College.

Yes, you can appear in the 12th exam if you want to improve your score. Most boards, including CBSE conduct the improvement exam. You can appear in two or three papers in which you want to improve your score. You can improve your score on the theory paper only, and later you are issued a marksheet with your updated score. However, there is a particular time window for improvement exam registration, and you cannot give it in the 2023 or 2024 batch. In schools, the improvement exam cycle typically begins in July. You cannot take two subjects in the following year's batch. You can apply for admission to the NIOS board for those subjects in which you want to improve your scores.