Bodo is written in Devanagari in the sources above (brx_Deva). The 2011 Census counted 14,82,929 people with Bodo as their mother tongue, 0.12% of India and the twenty-first largest group, up 9.81% from 2001. Assam had 14,16,125 of them, about 95%. West Bengal had 42,739, Nagaland 7,372 and Arunachal Pradesh 7,095. The Census groups Kachari (15,984) and Mech (11,546) under Bodo and puts Bodo, with Manipuri, in the Tibeto-Burmese family; 15 of the 22 scheduled languages are Indo-Aryan. The Home Ministry says Bodo joined the Eighth Schedule in 2004.
Search model cards under both spellings. Meta’s table says Boro, AI4Bharat says Bodo, and a search under one name can miss results listed under the other.
English spoken by native Bodo speakers is a test in itself. In the Svarah paper Whisper large scored 11.6% on it, the highest of the 19 mother-tongue groups it reports, against 5.3% for native Hindi speakers. The authors name Bodo, Assamese and Nepali as the groups models handle worst.