How do i add my blog to search engines?

Here are the things you needs to do to submitt your blog in google.
1) Submit your blog to google blog search ping (http://blogsearch.google.com This will ensure that google blog search indexes your blog and soon it will make it to google search from here. Submit here every time you create a new post. 

2) Ping your blog with http://www.pingomatic.com 

3) Do social bookmarking for your blog posts (submit your posts to digg.com, reddit.com, delicious, propeller.com etc.) 

4) Leave comments on other bloggers posts with your blog url 

Hope that helps.