Hello Priyanshu b
I am here to help you out with your query!
To get entrance into or admission into Patna university you have to write pucet for ug admission process.
There is a selection process at the same time the test consists of different sections.
Go through the link to get clear idea
http://www.patnacollege.org/results.html
Basically the paper is of 100marks without negative marking.
Good luck
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