How can get favicon using google webservice?

You can get favicon.ico from the root folder of the website using Google web service, but this service is not guarantee they might remove it at anytime.

Paste this URL in the browser and reload it you will get the favicon of the website. If you want to change any other website just replace infinetsoft.com with your’s. 

http://www.google.com/s2/favicons?domain=infinetsoft.com