you enter www.google.com in browser address bar it will be
redirect into your country Domain, For
Example if you are an Indian you
enter www.google.com in your browser, Now your google.com address redirect to www.google.co.in , This redirection provided for google for specific search results in your country.
Now Disable Google country Redirection, Go to www.google.com/ncr in your browser now your URL goes to Original Google.com Site.
Now Disable Google country Redirection, Go to www.google.com/ncr in your browser now your URL goes to Original Google.com Site.