Being a Permanent Resident
http://www.cic.gc.ca/english/newcomers/about-pr.asp


Permanent Resident Obligations / Maintaining Permanent Resident Status
http://www.canadainternational.gc.ca/pakistan/visas/permanent_resident.aspx?lang=eng#cont


Permanent Resident Card
http://www.cic.gc.ca/english/information/pr-card/index.asp