Apply template to a specific page
To overwrite Drupal defalut suggestion, You can make your own suggestion for template.

In your case you have defined a menu called asia for that specific template is required, to implement this use this code 

 **
 * Implementation of hook_preprocess_HOOK().
 */
function mymodule_preprocess_page(&amp;$variables){
  if(isset($variables['asia']) &amp;&amp; arg(1) == '')
    $variables['theme_hook_suggestions'][] = 'page__asiapage';
}


create a tpl file in theme called page--asiapage.tpl.php, it will work.