On the Meta description
 

Meta tag description I have defined in the master page to share my Internet site, according to the needs of business users I do not want the contents of the same description for all sites and sub sites. In-fact must be different for all sites according to the content displayed on this page are used for the purpose of SEO. Please allow me to know of any way possible for the same. Please I need some suggestions that really work as soon as possible. Guys, please comment! Thank advance!

The meta description of your page must be according to your business and the content of your each web pages of your websites. If your description is according to web page then it is beneficial for the purpose of SEO. :p