Mahali is an indigenous community of India, Nepal and Bangladesh. Mahali people are indigenous in the state of West Bengal and Odisha. They mostly reside in areas adjoining to Santhal Parganas in Odisha and West Bengal. Mahali people form a different tribe which is clubbed together with the Munda tribe. They basically speak Mahali language, but in some place they differentiate Mahali language from Mahali.
References
Mahali Wikipedia(Text) CC BY-SA