Hi,

There is no age limit to take exam . If you want to pursue the B.A LLB ,BBA LLB you have to write CLAT which is national Level Exam for the admission to five years integrated law program . The eligibility is the student should have minimum 45% as general category & 40% as reserverd category in intermediate or equivalent .

https://law.careers360.com/articles/clat-eligibility-criteria