There are various techniques to increase the Page rank On page and off page optimization are the best ways to increase the pagerank also keep in mind that do it in a organic way.Here more some tips,
ON PAGE SEO:
1. Always start with keyword selection, research and testing
2. Meta Description tag
3. ALT tags
4. H1 tags
5. URL structure
6. Internal linking strategy
7. Site maps, both XML and user facing
OFF PAGE SEO:
1. Write some unique and quality information in the website.
2. Update the content in the website regularly.
3. Don't copy the content from the other websites.
4. Blog Commenting.
5. Blog Posting.
6. Forum Posting.
7. Article Submission.
8. Directory Submission.
9. Social Networking Services.
10. Social Bookmarking.
ON PAGE SEO:
1. Always start with keyword selection, research and testing
2. Meta Description tag
3. ALT tags
4. H1 tags
5. URL structure
6. Internal linking strategy
7. Site maps, both XML and user facing
OFF PAGE SEO:
1. Write some unique and quality information in the website.
2. Update the content in the website regularly.
3. Don't copy the content from the other websites.
4. Blog Commenting.
5. Blog Posting.
6. Forum Posting.
7. Article Submission.
8. Directory Submission.
9. Social Networking Services.
10. Social Bookmarking.