Degree

Yes, it's government approved.

It depends on college to college you must have to put the name here for that.

No, NLSIU offers only 5-year law course immediately after your 12th standard. There are several other universities where you can do three-year law.

Hi Mohd,
Yes, but you need to check the institute which you want to enrol. For that you should see that the university you want to do MBA is recognised by UGC i.e. University Grants Commission or not. For that you can go to www.ugc.ac.in and go to the section "Inside HE". Also Your university should approved from AIU, i.e. All Indian Universities.

The candidate must have passed 10+2 (HSC) or equivalent examination from this university or any other recognized university with minimum 45% aggregate of marks. Candidates having certificates issued by madrasas with at least 45% aggregate of marks are also eligible to apply
Candidates must have attained 17 years of age.
Yes, you are eligible to apply for this course in JNU.

I don't think you'll get admission in RGIT. If you belong to some category other than OBC and open, then maybe you've some chance of getting admission in second or third round.

That is totally depending on what do you plan to do further. If you plan to pursue any course further then it totally depends on the college if they consider degree or certificate.

Yes, you can take admission in Masters degree provided you have drawing/sketching and a good, creative mind.

Selection of a university abroad depends on a lot of factors like:
1. One financial positions/ ability to pay fees
2. Object of study whether to return to India post the course or permanent settlement overseas
3. Course selection
4. Score achieved in TOFEL & GMAT
5. Avenues for part time work at campus
6. Climate /weather conditions
7. Requirement of scholarships
8. Internship avenues
9. Campus culture/student mix
You need to first look for answers on all above and then start the identification process.