On this page about Mundari language:
The Mundari language is a Munda language of the Austro-Asiatic language family spoken by the Munda people, and is closely related to Santali. Mundari is primarily spoken by Munda tribal people in east India, Bangladesh, and Nepal.
Munda Languages are spoken in north east India. Mundari and Kolh are famous languages of this... groups; its languages are spoken by about nine-tenths of Munda speakers. After Santhali, the Mundari... Bijori language Koraku language Mundari languages Asuri language Birhor language Ho language Korwa...