title: How can i call controller inside sub folder in codeigniter
body: <p>Can anybody tell me that how can i call controller inside a sub-folders. I am trying to call controller at third level of controller folder and i tried some example through googling but that all are not working.
  For Example :</p>
  
  <p><a href="http://localhost/project/index.php?/folder1/folder2/folder3/controller.php" rel="nofollow">http://localhost/project/index.php?/folder1/folder2/folder3/controller.php</a></p>