Obviously you can do a LLB course as for most of the entrances there are no upper age limit. So if you wish you can undoubtedly take admission to the law colleges. For LLB course you have to qualify the national level examination such as CLAT, DU LLB etc or you can qualify the university based entrances for the LLB.

For more information regarding the top 10 law entrances consider the link below:

https://law.careers360.com/articles/top-law-entrance-exams-in-india

I hope this helps. Wish you a great day!