Hello aspirant!  Let me to inform you that as per the previous information and scheduled dates provided by kea authority, the answer key was supposed to be available in the last week of July. Since it has not been available since now the tentative date that it will be announced is first week of August may be . You can check the details here :

https://www.google.com/amp/s/engineering.careers360.com/articles/karnataka-pgcet-answer-key/amp

In my knowledge, PGCET MBA answer key soon will be realised or may be realised in this weak so wait for this weak. and for now, you may check some guess key form some other site they help you get a basic idea what you may get in. So search some site it definitely helps you.

All the best.