Your best place to find 2015 past papers of punjabi 12th class from bise rawalpindi board. These old up to date papers can be downloaded or viewed online.
2015 Punjabi Past Papers 12th Class BISE Rawalpindi Board Analysis
Campus.pk gives you unique insight into each past paper about what are the top chapters and topics.
Punjabi Past Papers 12th Class BISE Rawalpindi Board