Hello,

Please check the eligibility criteria for PU LLB exam 2020

• A candidate must have passed bachelor's degree or master's degree with atleast 45% marks for candidates who belong to general category for SC/St it is 40% from a  recognised board or university.
• There is no age limit.
• Candidates in final year of their bachelor's or master's degree are also eligible.

It is not clearly mentioned whether you are pursing 4 year degree or 3 year degree.But if you are in final year of your degree you are eligible to appear in 2020.