BCA

Since you got 38% in your XII then you are bound to pursue your degree from IGNOU only. The IGNOU is not the best but still it will help you to a greater extent. You just have to appear for the final exam and you have to make peojects also and side by side you can also start your buisness.
Course fe

Yes, you are eligible but in some colleges they want mathematics subject as a mandatory in your 11th and 12th.

You should go for MBA, if you are not good in Coding. MBA is a good option, I would suggest it.

Yes! You can apply for M.Sc. After BCA and it is a good choice if you want to do Masters from CS field too.

If you're applying for product based companies then big no and if applying for service based there are some chances that depends on the job profile.

MCA lateral entry is definitely better than 3 years MCA because it will save your crucial 1 year and the yearly fees too, plus the value of both the courses are almost equivalent.

I think, it is fine, you will get it. But for more accurate details, I would suggest you to visit once the official site of the college for other eligibility criteria and dates.

If you have dropped, it doesn't mean it was waste of time. Just focus on future career goals and start preparation so that there is no chance for dropping year again. Be positive and all the best.

You can either do MBA or you can peruse MCA. MBA will be for management line and MCA for technical line. Choose wisely amongst both.

Yes, you can definitely do along with BCA but both the courses are tough in their own ways. So, managing will be tougher because CA alone needs more time and BCA also needs time to clear the exam with minimum marks. So, think twice. If you think you can do, then go and all the best.