Colleges in Bangalore

Yes you can join BCA. As the eligibility to join BCA is at the +2 level.

Campus plays an important role, but it's your value addition from the course that would matter after you pass out. So interact with previous batch students about curriculum details and then decide on the college.

Yes, Jain University is a very reputed university.

Yes, you may opt for management quotes seat for lateral entry in Bangalore Universities.

Various legacy universities such as Delhi University, BHU, Lucknow etc and its affiliated colleges offer 3 years LL.B degree course. The degree entitles the graduates to practice law. Most of these universities conduct their own entrance examination for admission in 3 years LL.B course. Graduates of all disciplines are eligible to seek admission in 3 years law degree course. You may target few universities for doing LL.B and review their admission process.

For further information, please visit the link below:
https://www.shiksha.com/university/pes-university-bangalore-20875/courses?bc[]=101
Also, visit the college website:
http://pes.edu/mba/

As of now, there isn't. Although there is a part-time MBA offered in general MBA that is for experienced candidates.
You might like the full-time course more, as it teaches you a lot more and you can get into much better roles than that from any part-time MBA program.