The correct answer is: Bhagalpur.
Angika is a dialect of Hindi spoken in the Indian states of Bihar and Jharkhand. It is the native language of the Angika people, who are concentrated in the districts of Bhagalpur, Munger, and Saharsa in Bihar, and in the districts of Purnia, Katihar, and Araria in Jharkhand. Angika is also spoken by a significant number of people in the districts of Darbhanga, Madhubani, and Sitamarhi in Bihar.
Angika is a member of the Indo-Aryan language family. It is closely related to the Bhojpuri and Maithili languages. Angika is written in the Devanagari script.
Angika is a tonal language. There are three tones in Angika: high, low, and falling. The tone of a word can change its meaning.
Angika is a rich and vibrant language. It has a rich literature, including poetry, songs, and folktales. Angika is also the language of many popular films and television shows.
The other options are incorrect because:
- Champaran is a district in the Indian state of Bihar. It is not the primary region where the Angika language is spoken.
- Mithila is a region in the Indian states of Bihar and Jharkhand. It is not the primary region where the Angika language is spoken.
- Magadh is a region in the Indian state of Bihar. It is not the primary region where the Angika language is spoken.