B.Sc

Hi,
Yes, you can certainly join B.Sc Mass Communication and Journalism in order to become a radio jockey. The course will give you exposure to all the medium of mass communication including radio.

There are many universities in India which accept international students. You will need to research a bit about the colleges. Click below to check the colleges offer the course. You can click individual college and check the eligibility in the respective page. https://www.shiksha.com/engineering/colleges/aircraft-maintenance-engineering-colleges-india.

VFX is better option, as they are very much in demand in every channel whether news or entertainment. Well, same goes for editing but you can be more experimental with VFX.

Both are good. It depends on your preferences. Infosys has more challenging work culture.

They will give you admission on the basis of your boards results.

Some colleges conduct entrance exams for the PG admissions. The top colleges in India include Lady Sriram, Delhi, St. Savior's Mumbai, Christ University, Bangalore, WCC Chennai, etc.

For specific question, kindly contact the college helpline number. For more information, click below:
https://www.shiksha.com/university/dr-harisingh-gour-vishwavidyalaya/dhsgsu-uget-exam

The syllabus for entrance exam of BHU is same as that of NEET UG. If you are clear with your basics you can easily crack it. The most important thing is to practice 67 previous years question papers, as many questions are repeated. Also, solve physics and chemistry portion of B.Sc. (maths) previous papers.