Wordpress - display comments form selected post

display_comment_from_selected_post.php

<?php
$args = array('cat' => 'home','post_type' => 'post'));
$post_obj = new WP_Query($args);
while($post_obj->have_posts() ) : $post_obj->the_post();
    //display comments
    $comments = get_comments(array(
        'post_id' => $post->ID,
        'number' => '2' ));
    foreach($comments as $comment) {
        //format comments
    }
endwhile;