How to include a custom menu in page.tpl
Try this   

&lt;?php
 $menu = menu_navigation_links('menu-your-custom-menu-name');
 print theme('links__menu_your_custom_menu_name', array('links' =&gt; $menu));
?&gt;


You can also add to template.php

function THEME_preprocess_page(&amp;$vars) {

$menu = menu_navigation_links('menu-your-custom-menu-name');

$vars['custom_menu'] = theme('links__menu_your_custom_menu_name', array('links' =&gt; $menu));

}


the variable $custom_menu is available in the page tpl