Hello Aspirant,Hope you are doing well

One can pursue B.A L.L.B by taking CLAT test.If you crack this test then you will get a chance to study in top NLU's.

Eligibility criteria for B.A LL.B course

• Candidates should clear Class 12 or equivalent study in any stream from a recognised college
• Candidates should clear Class 12 with a minimum 45-50 per cent aggregate
• There is no age bar to pursue the cccourse

So you can pursue BA LL.B.
Hope this helps you.
All the best