CBSE 12th

No, then you are not eligible.

Yes, you should give entrance exam. As class12th result will take time for its release, they ask for mark sheet afterwards only. All the best.

I think it is quite low percentage to get admission there. But, if the seats remain vacant you may get admission there, which is very unlikely though.
All the best.

Please refer to https://www.shiksha.com/humanities-social-sciences/articles/how-to-select-a-college-course-after-class-12th-blogId-8474.

Hello Stephen, with such good marks in 10th & 12th, it's surprising that you scored quite less in your graduation. But then what it indicates us that you indeed have the ability to score well. For getting admission into XLRI a student needs to pass the entrance test conducted by the institute. I am attaching a link that will give you all the required information about this test. https://www.xlri.ac.in/about/about-admission-procedure.aspx
Best wishes to you.

Yes, the CBSE board provide you a checking on the basis of step marking.
If your first step is correct and solution is wrong, then also, you get marks of first correct step but if your starting step is wrong and rest, solution is correct, then you get no marks.

You can opt for the CLAT exam and various other exams that are held at state level in almost all the states, after clearing all those exams you can easily get admission into B.A. LL.B.

Yes, you can do this course after 12th if you are interested in this course.

Eligibility required for admission in B.A. In psychology economics and sociology- 12th with Mandatory Subject : English
Candidate must have passed 10+2 conducted by the Karnataka Pre-University Education Board or any other examination considered as equivalent. Admission Process : Candidates are selected based on marks obtained in 10+2 and performance in personal interview.