Exam

The NEET examination is a medical entrance examination and UPSC is an examination for civil services for now, you should prefer NEET after 12th Science.

You can register for COMEDK by going to the official website of COMEDK and after filling the application form and paying the registration fees, you can register for the examination. The registration process is usually done in the month of April every year.

Your question is not very clear so please reframe your question and you can always try writing a question in Hindi if you are comfortable with Hindi because there are mentors who know Hindi as well so they can take up your query.

Kindly visit this link:
https://www.shiksha.com/mba/tsicet-exam-counselling

Institute Aptitude Test is conducted for BVA in Audiography. It is a full time UG course of 4 years. For more information on MGR institute of film , follow the link: https://www.shiksha.com/college/mgr-government-film-and-television-institute-taramani-chennai-23618

Yes, you are eligible to take admission.
The eligibility criteria is:
10+2 with Physics & Mathematics as compulsory subjects along with any two of the following subjects: Chemistry / Biotechnology / Computer Science / Biology with at least 50% marks (45% in case of candidates belonging to SC/ST category) in the aggregate.

You have not provided your category. But it is good to use college predictor. Good luck.

In which course have you applied?