Hello Asha,

As you require CET - 2020 answer key for paper version A4. I will be attaching the official link for the answer key of each subject wise below so that you can download easily. I will kindly request you to please find the attachment of the link below.

Links :-

Biology - http://kea.kar.nic.in/cet2020/biology_key.pdf

Mathematics - http://kea.kar.nic.in/cet2020/maths_key.pdf

Physics - http://kea.kar.nic.in/cet2020/physics_key.pdf

Chemistry - http://kea.kar.nic.in/cet2020/chemistry_key.pdf

I hope this information will be useful for you.

If you any have query please don't hesitate to drop message in the comment section below.

All the best!