Colleges in Delhi

Yes, you can pursue MBA, the only exception is when it's specifically said that you require maths in class 12th. But I do not see any such requirements laid out.

https://www.shiksha.com/it-software/ranking/top-bca-colleges-in-Rajasthan/96-2-121-0-0
Check out this link for top BCA colleges in Rajasthan.

Generally, for IGNOU theory attendance is not strict but practical exam requires you to have at least 70% attendance. But this would vary between study centers and subjects.

This is somethings that we do not have clarity on. In some sections of the internet and media, it claims that the UGC expert committee had agreed to allow students to opt for one regular and another distance or correspondence Bachelor's program in 2013. But there is other news that says in 2016 UGC did not allow students to take two Bachelor's programs. So I would suggest you contact your university or college and discuss your dilemma. If the college or university has no issue then you can pursue it without any problem.

Hi,
No fees is to be paid on each semester, i.e 6 months, it can also be taken year wise, it depends on your college, but it is never taken together at once.

Admission can be done only on the basis of preference. Visit the university for more details.

It provides BMS, BFIA courses which are the premium courses in the country.