High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Sadri is a branch of Prakrit language and is regarded as a sister language of Oriya, Bengali and Angika. It is spoken in the Indian states of Jharkhand, Orissa and the north of West Bengal, and in Bangladesh. Speakers of Sadri also use Hindi, Oriya, and Bengali. Population includes 1,381,000 Sadani, 574,000 Nagpuri, and 165,683 Oraon (as of 1997). Also spoken by the Chero tribe as first language. Sadri has become a lingua franca of jharkhandi societies.