Magahi Language In Bihar , In Bihar, Magahi language is spoken from the Magadh empire. Magahi language is the ancient language of Bihar or it is a very mythical language but it is known to speak Magahi. Magahi language is spoken in the world by around 10 crore people who speak or understand the Magahi language. Maghi also has its own grammar. Maghi is written in Devagri script or Kathi script. Actually, Maghi language is written in various scripts.