Bangalore

Hi,
While applying for NIOS, there is one Permanent address (adhaar card will verify that) + Communication address. So, your Study material will be delivered at Bangalore address.

Yes, you can do the B.LIB course after class 12th.
Best colleges in Bangalore University, [BU] Bangalore.
Chethana Educational Trust, Mangaluru
Jyoti Nivas College Autonomous, [JNCA] Bangalore.

Hi,
Check this link for all the necessary details regarding this college:
https://www.shiksha.com/college/dayananda-sagar-college-of-engineering-dsce-banashankari-Bangalore-28374

BNMIT has good placement record, if you see CSE branch. So, you can take admission here. Good luck.

You can compare both these colleges with the help of shiksha college compare tool
https://www.shiksha.com/resources/college-comparison

Yes, Alliance University is a good university for B.Tech in computer science and engineering. there you will be getting a lot of opportunities, exposure and knowledge. The one thing that you have to maintain is your score.

To get the admission in christ university you should at least get 50% -60% in your boards exam and you also have to clear their entrance exam and PI.

REVA University is best for all the courses and the emerging University in Bangalore.

Take a look over this link, it will help you. https://www.shiksha.com/engineering/ranking/top-private-engineering-colleges-in-bangalore/109-2-0-278-0