My site has very low ranking in Google.I tried different methods to increase the ranking.I think exchanging link help me to increase the site ranking.I want to improve my site ranking in Google ,yahoo etc. I have submitted site maps to both sites through there webmaster tool.Please tell me some methods to increase my site ranking very quickly.Any help will be welcomed.Thanks in advance.

Link popularity has become increasingly important for those who wish to increase search engine ranking, with 19 of the top 20 engines using it in their ranking algorithms. Simply put, search engines give a ranking boost to sites that have links from quality, related sites.

There are 3 things you can consider.
1. Contents
2. Keywords
3. Backlinks

If you use above 3 factors wisely you can improve your rank.

You can to link submissions in directories, blog directories, forum directories. you can also do bookmarkings, use good keywords and use those keywords in your site.

Well, you can do a lot of activities to increase the ranking of your website, if you utilize the SEO then it means that you have to do the following three things :

1) Keywords
2) Content
3) Linking

SO you must utilize the best keywords in your unique content so that the other websites get link to your website...