CBSE 12th

Hello Zala,
Yes, one can study at undergraduate level in Germany. Issue is of finance since not many colleges offer scholarships. However, if you have finance for sustaining at least for four years in Germany please go ahead.

Hi,
You can't be a bank manager after completing the class 12th. Firstly, you have to complete your graduation and appear in bank exam, Bank PO will be more preferable.
If you will select as a Bank PO then your career path will go like this -
Bank PO- Assistant Manager- Branch Manager - Chief Manager - The AGM- The DGM- The CGM- GM
Start from here –
https://www.eduncle.com/ibps-po-recruitment-exam

You need to first complete your graduation to be eligible for banking sector.

Yes, you can do MBA after a gap of 3 years but if you were working it can come as a plus point for you as experience.

From your query it not clear what do you want, i.e. a short term interim computer related course or you want to pursue a computer related course in undergraduate level. Kindly clear this, along with your subject combination in 12th to suggest you properly.

Admission depends on your performance in PI but you can definitely expect a call.

Yes, you should get a call. However, the criteria varies from college to college.

With 62% in graduation chances are less. This is because colleges generally keep a criteria of 70% throughout for shortlisting.