The educational qualification depends on the Post code that you want to apply for. For Post codes A to D, you need to have Master's degree in Hindi with English as a compulsory or elective subject or you can also have a Master's degree in English with Hindi as a compulsory or elective subject. For Post Code E, you need to recognised Diploma or certificate course in Translation from Hindi to English and vice versa. So you need to either study in English medium and have Hindi as a language or vice versa.