There are various internet marketing strategies that can help increase the rank of your site. Through SEO and social media marketing techniques, you may be able to drive more traffic to your site.

You can go for the dofollow blog commenting, dofollow forum posting and/or dofollow directory submission, Article submission in High PR sites.
Social media sites give you traffic to boost your website prominence in Search engines. Increase in PR is not One day process, you have to do work on regular basis that automatically help you getting PR.