Most used blog directories are listed here.Go and submit your blog here.
They will list your blog with appropriate categories,description and other relevant information.
You may be asked to provide
1.In some cases it may be necessary to create a membership to the site first.
4.blog directories request either a link back to the directory or the inclusion of a graphical button on your blog
So Open notepad and save following details about your blog
The URL,RSS feed,Blog name,Description for your blog
and click each directory link here ...