Hey!

These are some books that may help you in your preparation for B.A. LLB Entrance examination in Punjab University:

1. Lexis Nexis Butterworths
2. Bare Acts of Indian Constitution
3. Legal Awareness and Legal Aptitude by AP Bhardwaj

For best preparation tips, please visit the below mentioned link:

https://law.careers360.com/articles/how-prepare-for-pu-ba-llb

Hope this answer helps!