If you are looking to conduct online exam in a regional language apart from English then it is important to prepare 2 versions of the question bank. One would be in English language and another would be in regional language.
The simple translation may not work as some of the specific words from question may get translated in the wrong manner. If you have 2 sets of such question bank then Online Examination System manages the multilanguage exam process.
Eklavvya platform supports the facility to conduct the exam in any language including English, Arabic, Spanish, Hindi, Gujarat, Tamil, etc. You can define question banks in your own preferred language and candidate can attempt the online exam in the preferred language as desired.