Commerce Mellat provide Mellat Bank (an Iranian bank) integration for the Drupal Commerce payment and checkout system.
Place Commerce Mellat module into your Drupal sites/all/modules directory as usual.
Download nusoap from http://sourceforge.net/projects/nusoap/ and extract in libraries directory. so you should have /sites/all/libraries/nusoap/nusoap.php
Enable the module from the Modules > COMMERCE (CONTRIB) section
Sponsored by Rasta Soft.