Hi Sanchit.
As you're from commerce background, then there can be no perfect choice than opting for BBA LLB. It's an  ideal choice if you're a commerce student.
Yes, you can also do CA, along with your bballb. And it will somewhere be helpful for you. Whereas ba llb will not be of much help to you if you plan to go in corporate field.
Though doing CA along with your law degree is quite a typical task but as it's said nothing is impossible.
So choose your options wisely.
But according to your situations, BBA LLB will suit you.

For anymore queries feel free to revert back.

If you found it helpful, kindly upvote this answer.

Goodluck Sanchit.!!