Note : you can sign in use your google account, if you doesn’t have google account click here
Upon logging in using your Gmail account, key in your blog site URL, and click OK. You will then be asked to verify your site. This is to ascertain that you are indeed the owner of the site.
Google will give you 2 ways to verify your site: using meta tag and html file
Meta tag on blogger:
Copy the META tag that is generated for you, and paste it in your html script between and …
Done, Save Template.. return to webmaster and click verify
Html :
The second method of uploading an HTML file is NOT applicable to Bloggers using Blogger.com or Blogspot.com because this requires you to upload a file to the root directory of your Blog. The second method for you to verifyyour site
After you have had your site verified, click on the Sitemaps tab as shown below. By adding a Sitemap, you will be providing Google with more details and information about your Blog. With this, Google will crawlyour site, report information on any errors in the Sitemaps tab, and index your Blog site at a faster rate.
May you want read this article submit blogger sitemap to yahoo ,submit blogger sitemap to msn and submit blogger sitemap to ask, blog directories, Search engine..