Page rank of any website is depends on quality backlinks and unique content of any website.But remeber make good and higher pr back links for your website because if your backlinks it self don’t have any pr and traffic it will not give you any benefit to your website.
You can make backlink for your website by using following Off page methods:
*use of social media websites
One of the important factors of calculating page rank is the number of back links that you have for your site. Back links plays an important role in getting high PR value. In order to achieve this, you have to get tons of back links. Participate on the techniques that generates back links like forum posting, article submission, blog commenting, social bookmarking, et