syllabus of entrance exam of postgraduate courses in Punjab University
You didn't mentioned what branch are you from. With no info of your stream nothing can be said.
In general the PG entrance exams have the same syllabus of BSc/BA/BCOM as you have studied. For precision you can also follow the syllabus of BSC/BA/BCOM of Punjab university. You can follow it.
You can also search google about it , you may get a syllabus if available or do the above mentioned.
Have a great eve!