Link building need and info

Link building is a process of creating the backlinks for you site in seo. Those backlinks
helps in the indexing of the website in the google in this way your site's rankings are
improved. There are techniques wich are used for the link building are following on
1. Directory submission
2. Social bookmarking
3. Forum posting (with signature)
4. Link exchange with the related sites
5. article submissions
6. Blog commenting