Having issues related wp_enqueue_script

when i use wp_enqueue_script js script load in the page but if i use wp_enqueue_scripts it does not work

<?php

function my_custom_scripts()

{

    $path = plugins_url('js/main.js',__FILE__);

    $ver = filemtime(plugin_dir_path(__FILE__).'js/main.js');

    wp_enqueue_script( 'my-custom-plugin', $path, array(), $ver, true );

}

add_action('wp_enqueue_scripts','my_custom_scripts');

?>