hi,

see bachelor of business administration course is duration of five years. so that means since you are in 5th semester , you are currently in final year of your graduation course. as per cat 2021 notifications, students belongs to any bachelors course of 3/ 4 years duration of degree programs are eligible to apply. however you need to submit the eligibility certificate from the Registrar/ Principal of the respective institution or university to apply for cat 2021.

this is only applicable for final years students appearing in cat.

to know in  details follow our article at below link:

https://bschool.careers360.com/articles/cat-eligibility-criteria#CAT-Eligibility-Criteria-2021--Academic-Qualification