Hello student

There is scope for changing your medium of languages for appearing in the examination Railway Recruitment Board, NTPC. You can change the medium of examination appearing for RRB from English to Hindi anytime you can within the time period limit  is available.

Medium off languages appearing for any examination for  any Indian Government Agency or state agency you can change your medium of languages from Hindi to English and English to Hindi or in your mother tongue which is  mentioned in the the language scheduled  decided by the central government.

Hope this will be helpful.