Magento Hide only particular category from left Navigation

Magneto Show Category on left side as but some time we require to hide particular category or subcategory
so we can remove just open the following file



app/design/frontend/yourtheme/default/template/catalog./layer/filter.phtml
after line 36 of this line add the following if condition and add your category name which u want to remove for us we have remove Electronics,Furniture

<ol>
<?php foreach ($this->getItems() as $_item): ?>
<?php  if(!in_array($_item->getLabel(),array("Furniture","Electronics"))){?>
    <li>
        <?php if ($_item->getCount() > 0): ?>
        <a href="<?php echo $this->urlEscape($_item->getUrl()) ?>"><?php echo $_item->getLabel() ?></a>
        <?php else: echo $_item->getLabel() ?>
        <?php endif; ?>
        (<?php echo $_item->getCount() ?>)
    </li>
<?  } ?>
<?php endforeach ?>
</ol>

and that's it we get remove the Furniture and Electronics from left navigatin

Hope this will help you!