magento 1 9 print blank page error

1you have no any error find then try below code add top in index.php file
2
3ini_set('error_reporting', E_ERROR);
4register_shutdown_function("fatal_handler");
5function fatal_handler() {
6    $error = error_get_last();
7    echo("<pre>");
8    print_r($error);
9}
10after check it which line error showing it