Hey!

According to Panjab University guidelines, one Additional seat is reserved for Border Area Students i.e., students who have passed their Matriculation examination from the Border Area Schools situated within 20 kilometres from the International Border. 

To claim this benefit, you need to produce a certificate from the Tehsildar or the Principal/Headmaster/Head of the School certifying that the School from where the candidate has passed the matriculation and +2 examination, falls within the aforesaid Border area.

Check out the Border certificate (which is to be filled) on the page 33 of the following prospectus: https://cetug.puchd.ac.in/cetprospectus_2019.pdf

Hope it helps!