Hello Aspirant

There are many outside links that are available that will provide you with the question papers.So you will have to search them online

You can also refer to the official website for paper,the link to the website is

http://bhuonline.in/ you can search the website ,there is a section that is dedicated to previous year paper.

For more details regarding BHU PET you can refer:

https://university.careers360.com/articles/bhu-pet-answer-key

Regards!