Friends here is Tutorial That Display Facebook comments on your blog and let Facebook users comment on your blog without signing up for Blogger or other services.
To integrate Face-book Comments on your blog, you need to have a Face-book account and a Blogger account with a blog.
so friends here we go with step by step
1. First you need to create a Facebook App for your blog. In order to do this go through this link https://developers.facebook.com/apps
2. In the top right of your screen click on the "+ Create New App" button as shown in the screen shot below:
