First search add site into Google or open ‘ www.google.com/addurl/ ’ then it will display two text box. One is for URL and other for Comment.

Enter your full URL in to 1^st URL text box, including the "http://" prefix. For example http://www.dailysearchblog.blogspot.com

You may also enter comments, punch line or keywords or key phrases that explain the content of your page. But these data only used for google’s information and it does not affect how you page is indexed.

Then enter signature means enter the letters which display in the image..i.e.

Now click on the “Add URL”