Contact form problem Template7

I am using this template - http://www.freenicetemplates.com/fre...template/7.htm in my website www.sunnybadyal.com But the contact form is not working. It does not send the email to the email I specified in PHP file.

I am using the following hosting configuration:

OS/Hosting Type:Windows
Hosting Configuration:.Net Runtime Version: ASP.Net 4.0
PHP Version: PHP 5.x
IIS Version: IIS 7.0