Particular Category post on homepage (Pinkster theme)

Hi,
I am using Pinkster theme for my website and I want to show particular category post on homepage not all other category post on homepage can anyone guide on the same.
<?php
$temp = $wp_query;
$wp_query= null;
$wp_query = new WP_Query('showposts=&cat=&paged=' . $paged);
?>
Thanks
Dikshant

See original post by sunnytyagi