CBSE 12th

Most of the central institutions and some state or reputed ones too need you to appear for the entrance exam.

Domicile certificate maybe required in most institution. Educational purpose certificates are easier to get and requires less years and documentation. An aadhaar card always helps and voter card, land/property tax receipt exceeds the requirement.

MCA has varied prospects in its own field of Computer applications just like any other degrees or Masters in their own arena. Thing depends on specificity of your strengths.

Hello
Yes! There may be chances of getting a seat, according to your percentile!

If you are interested in this field, then my answer is yes, it is a good field for a good career.

You need to score the minimum scoring marks of PCB combination. In certain situations, your CS will be taken as optional subject and its marks won't be taken in account for biology seats. What you need to do is apply for admission while simultaneously preparing for compartment. By the time of admissions there is high probability that compartment result be declared beforehand.

You can get admission there through JEE Mains or MHCET.
You have to score minimum 50% marks in your 12th to be eligible.
I am attaching a link which have all the information in detail.

Yes, you can apply for the government applications.

After completing class 12th commerce, you can apply for following courses :-
1) CS
2) CA
3) B.Com
4) BBA
5) BCA
6) BHM Bachelor in Hotel Management).