Hi 

Good morning

This is Ritika

Eligibility criteria of CAT is that you should have bachelor Degree with 50% marks or equivalent degree . Final year student can also apply . So bsc passed student with any stream is then eligible.

For more details do visit

https://www.google.co.in/amp/s/bschool.careers360.com/articles/cat-eligibility-criteria/amp

All the best

Hope my answer helped you

Thank you