Dear student,

You can find your question papers in the official website of that institute, otherwise you can follow any exam related books too.

Some of the book names I am providing here,

1. Post Graduate Entrance Exam By Arihant.
2. 16 years Solved Papers by Arihant.

https://engineering.career360.com/articles/karnataka-pgcet-sample-papers

Here you can find so many questions papers of previous years.

Thank you.