chetan0412 on "[Plugin: WooCommerce - excelling eCommerce] Add state to checkout/calculate shipping"

How to add state to calculate shipping.

Means,

Suppose When i select Country(India) at Calculate shipping, Also i want to show state of selected country in drop down menu like Gujarat, MP, Up....

or any special plugging require ????

thanks ....

http://wordpress.org/extend/plugins/woocommerce/