Sharepoint 2010 Administration

Hi , im using sharepoint 2010, when i going to Site-> Site Setting i can't see (NOT displaying) "Site Collection Administration",

Could you please let me know what's wrong and what i have to.

I alreday changed the Central Administration following steps.But still not appearing

under Application managemet
->
Central Administration : Site Collection Administrators

Changed Secondary Site Collection Administrator under my username

But Primary Site Collection Administrator  username is  Administrator ;


See attached image what i can see in the page
Available.jpg