Steps To Submit Blogger Sitemap To Google Webmaster:-
1) Go to http://www.google.com/webmasters/
2) to Webmaster Tools with your gmail id and password
3) You can see now a thumbnail and a link of your site. Click on the anyone of them to go to Dashboard of Webmaster Tools.
4) Click on Sitemaps
5) Click on ADD/TEST SITEMAP
Use http://YOURBLOGNAME.blogspot.com/atom.xml?redirect=false&start-index=1&max-results=500 as your blogger sitemap
where red section is the name of your blog
Copy and paste the blue section of your sitemap in the space provided.
6) Click on Submit Sitemap and refresh
Your webpages are submitted and waiting to be indexed.
When you login to your Google Webmaster some days later, you should be able to see the indexed pages and statistics of your blogger. Hope this helped you.