Hi Sourabh,
You can integrate your moodle site with your wordpress site using Edwiser bridge plugin. It allows you to sell your courses as a product. This plugin acts as a bridge between your moodle site and your Wordpress site. You can import all your courses. Edwiser bridge is translation ready which means that it includes all the necessary language files to translate it into any language. To know more about Edwiser bridge or to download it, visit here.
You can also use Wordpress Multilingual plugin (WMPL) for your translation purposes. WMPL makes it easy to run a multilingual website with single wordpress installation. To know more about WMPL, you can visit here.