Automatically create Sub site With the Name of List Item from the list of parent site ,

 Hi all

I am using Share Point 2010 And

I have one task That is create new sub site automatically with the name of list item which I Am added in main site List 

for Example: I have a list name "Projects"  in my main site I am going to add new project as a item ,with that project name i want a new sub site will create automatically .Is there any work flow or any setup or any feature please help me by giving guidance  

Thanking You,

Arun Darly.