World of "www"

Warning: Missing required field "entry-title".
Warning: Missing required field "updated".
Warning: Missing required hCard "author".

Are you facing these errors while checking your rich snippets microformat?

Just add these following codes to your respective file
For entry title:

<h1 class="entry-title">

In your Title code, add this piece of class

For Updated:

<h2 class="updated">January 24, 2011</h2>

 Before your date, add this class

And last for Hcard "author"

Author:<p class="author vcard"><span class="fn">Niraj M Chauhan</span></p>

For author add this code,
Done, now you will see no warnings in testing your webpage on rich snippets testing tool

:)