The correct answer is ?Assam.Bodo language is spoken mainly in Assam.Boro, also called Bodo, is the largest ethnolinguistic group in the Assam state of India. They are spread across north-eastern India. They are concentrated mainly in the Bodoland Territorial Region of Assam, though Bodos inhabit all other districts of Assam and Meghalaya. Bodos are officially identified as "Boro, Borokachari" scheduled tribe under the Constitution of India. Bodos speak Bodo language, which is recognised as one of twenty-two Scheduled languages of India.?Additional Information ?In May 2022, President Ram Nath Kovind attended the concluding session of the 61st Bodo Sahitya Sabha at Kachubri in Tamulpur district, Assam.It was a historic moment for Bodo Sahitya Sabha as no President of India has ever participated in a literary program of any language in the Northeast region.?