Hi
To improve your Page Rank you can follow the below suggestion:
1.Include useful high-quality information on your site.
2.Submit your site to various web directories and reference sites.
3.Publicize your site to everyone with whom you communicate.
4.Write a newsletter and send it out.
5.Provide a Rich Site Summary (RSS).
6.Try to link with high-quality websites to your website and also provide motivation for highly ranked websites to link to yours
7.Check out a site before you link back.
8.Keep your website up.
9.Give away content.
10.Search Google for your website.
Keep sharing and reading
Thanks