Your best place to find 2012 past papers of Commercial geography 12th class from bise lahore board. These old up to date papers can be downloaded or viewed online.
Commercial Geography Past Papers 2012 Lahore Board
2012 Commercial geography Past Papers 9th Class BISE Lahore Board Analysis
Campus.pk gives you unique insight into each past paper about what are the top chapters and topics.
Commercial-geography Past Papers 9th Class BISE Lahore Board