As you are a final year appearing student, then you are eligible for CAT examination provided when the results will be released you must satisfy the eligibility criteria of CAT.

The eligibility criteria for CAT is that the student must have pass/appearing in the final year of graduation in any course. The student must have at least 50% marks in graduation(45% for SC/ ST/ PwD).

To know more about CAT visit the link below:

https://bschool.careers360.com/articles/cat-eligibility-criteria

I hope this answer helps. All the very best for your future endeavors!