B.A

No there is no entrance exam to get admitted into BA in Journalism program. The admission is based on the score in public exam (12th/+2).

Where do you wish to apply?

To take admission in IIT, you need to qualify JEE Main paper 2 that is for B.Arch. Then, you need to qualify JEE Advance. After that, you will get the chance at JEE Advance AAT i.e. the Architecture Aptitude Test. After you qualify AAT, you will get the seat.

Something between 97% to 98%, but nothing less than 96%
For general non Christian students.

1. Eligibility is as below:
10+2 with English as a compulsory subject
Or,
Diploma in Pharmacy course (for BA only) with English as one of the main subject,Or,
Three-year Diploma program conducted by State Board of Technical Education, Haryana without passing English or Hindi at 10+2 level
Or,
Two-year Diploma course under DTE, Haryana equivalent to 10+2 awarded by HSEB, Bhiwani with English as one of the subject.
Or,
Any other examination with English as one of the main subject conducted by the Academic Council of MDU.
2. Selection Criteria
The selection is based on merit in the qualifying exam.

The basic eligibility is that the candidates must have passed 10+2 from a recognized board. Mathematics as a compulsory subject is not a mandate.

Yes, you can apply for the same if you are a graduate from a recognized board. You can directly apply to the college.

As per my knowledge, you are not eligible for BA, because then maximum percentage required in BA is 50% marks, so you are not eligible for it.

You can pursue MBA in Mass Communication, because it requires a minimum graduation from any stream, so you are eligible for it.