Transliteration is conversion of text from one script to another staying faithful to target language conventions. e.g. पानी, pAnI (hi) becomes પાણી , pANI (gu)
Script conversion faithfully represents the source script in the target script. e.g. योगा (hi) and যোগা (bn) for yogA
Translation involves transfer of meaning. For our translation system, please visit Shata-Anuvadak