As you have passed the BA degree and as a result you don't have Physics, Chemistry, BIology/Biotechnology as a subject in your UG then you have to use the code 2 for NEET 2021 i.e., you will be given a provision of droppers.

The code 2 is for those students:

• Completed 12 years of school education from CBSE/ICSE or any other boards with the last 2 years having the subjects English, Physics, Chemistry, Biology/Biotechnology, or Mathematics or any other elective as a major subject .
• Students who have passed from NIOS/other open schooling board with Biology/Biotechnology as one of the subject in 10+2.
• For the droppers.

To know more about the NEET codes visit the link provided below:

https://medicine.careers360.com/articles/neet-qualification-codes

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