Computers & IT (Non-Engg)

B.Sc in physics is a better choice. Computer application is taught in B.Tech in IT, CSE, BCA and MCA. Rest depends on your interest.

You can pursue any of these courses. But without attempting any entrance test for respective courses you cannot get a seat in any reputed colleges. You will have to get the degree from private college.
Hope this was helpful.

It depends on your interest. If you are interested in programming, go for MCA and if you are interested in management field then go for MBA.

B.Sc is a growing course nowadays, having a huge scope. Yes, you can do MBA after graduation.

DOEAAC O Level is equivalent to foundation level course and A Level is equivalent to Advanced Diploma in Computer Applications. BCA is higher degree than even A Level. You are eligible to apply for a government job where eligibility criteria is A Level.

BCA regular is recommended preferred option because students have more avenue of learning in regular courses. However, if you are unable to seek admission in regular BCA because of any personal reasons, then you may opt for BCA by distance learning at IGNOU. IGNOU is world leader in distance educati

Do both together. There are online courses for SAP certification. Do that while doing MBA. You have 1-year to start MBA. Utilize time to do both one after another or together.