Option a is the correct answer. Halbi is related to the Aryan language family. It is also called the Bastari language. It is written in the form of Devanagari and Odia scripts. It is spoken in the regions of MP, Chhattisgarh, Andhra Pradesh, Odisha, and Maharashtra. Halbi is closely related to Odia and Marathi. It has several dialects, such as Adkuri, Bastari, Bhunjia, Chandari, Gachikolo, Govari of Balaghat, Kawari, Kunbi, Mahari, Muri, Sundi, Bhunjia and Kawari.