How can I include or Call Session Controller In to My home page ,about page ....

How  Can I Include or call the my session controller file .. in to my home page .. due to session check .... ?

in php : include(session_check.php);

in CI   :.......?  

I think you are confusing Controllers, Models and Libraries (in your attached images, you write a model in a controller then load it as a `Library`!)

I suggest you read the User Guide first:
http://www.codeigniter.com/user_guide/