B.A

You don't need any certificate in music to apply for BA in vocal music. You can apply directly for the same.

Hi, the syllabus is mentioned below:-
(1) Indian History and Art
(2)The culture of community and caste groups
(3) Sex Ratio,Age,Population,Employment index
(3) Polity and Governance
(4) Constitution and civic rights
(5) Economics and Geography
(6) Epithets of World and Political History of Europe.
Please reverify it from the University's website.

Minimum passing marks required in 12th are 60%, if you want B.A. (Hons) in English at St. Xavier's College. Mandatory subject is English. Also, check this link-
https://www.shiksha.com/humanities-social-sciences/languages/course/b-a-hons-in-english-st-xavier-s-college-kolkata-park-street-35664

Yes, you are eligible to apply.

Could you please specify where do you wish to apply?

Yes, all the subjects are taught in Hindi in BA mass media Hindi.

Dear Srinivasan,
You can pursue B.A. (Criminology) in various colleges in Chennai like D. G. Vaishnav College, Prof. Dhanapalan College, etc., you can pursue career in Police Department, Journalism, Forensic Department, Teaching in Colleges and Research also.