Custom Post Type Templates not working

My site Custom Post Type "gallery" not working from right Templates . it work from archive.php Templates . alredy have archive-gallery.php Templates then it not work .


here is my code

/* Add Photo Gallery Post types  . ------------------------------------*/

//----------------------------------------------
//----------register and label gallery post type
//----------------------------------------------
$gallery_labels = array(
    'name' => _x('Gallery', 'post type general name', 'bestia' ),
    'singular_name' => _x('Gallery', 'post type singular name', 'bestia' ),
    'add_new' => _x('Add New', 'gallery', 'bestia' ),
    'add_new_item' => __("Add New Gallery", 'bestia' ),
    'edit_item' => __("Edit Gallery", 'bestia' ),
    'new_item' => __("New Gallery", 'bestia' ),
    'view_item' => __("View Gallery"),
    'search_items' => __("Search Gallery", 'bestia' ),
    'not_found' =>  __('No galleries found', 'bestia' ),
    'not_found_in_trash' => __('No galleries found in Trash', 'bestia' ),
    'parent_item_colon' => ''
       
);
$gallery_args = array(
    'labels' => $gallery_labels,
    'public' => true,
    'publicly_queryable' => true,
    'show_ui' => true,
    'query_var' => true,
    'rewrite' => true,
    'hierarchical' => true,
    'menu_position' => null,
    'has_archive' => true,
    'can_export'          => true,
    'show_in_admin_bar'   => true,
    'exclude_from_search' => true,
    'capability_type' => 'post',
    'taxonomies' => array( 'post_tag', 'category'),
    'supports' => array('title','editor','custom-fields','thumbnail','comments','excerpt','page-attributes'),
    'menu_icon' => get_bloginfo('template_directory') . '/images/photo-album.png' //16x16 png if you want an icon
);
register_post_type('gallery', $gallery_args);
//----------------------------------------------
//------------------------create custom taxonomy
//----------------------------------------------
add_action( 'init', 'jss_create_gallery_taxonomies', 0);
function jss_create_gallery_taxonomies(){
    register_taxonomy(
        'phototype', 'gallery',
        array(
            'hierarchical'=> true,
            'label' => 'Photo Categories',
            'singular_label' => 'Category',
            'rewrite' => true
        )
    );   
}

PHP:

i'm use old bestia wp tube theme & theme company not provide old theme support So please help me ....

 

Why not you use Custom Post Type CPT UI instead of writing code your self? It's best I think instead of using own code....