Telugu is a Dravidian language, while Bengali, Hindi, and Odia are Indo-Aryan languages.

Hindi is the most widely spoken East Indian language, with over 500 million speakers.

Bengali is the official language of West Bengal, a state in eastern India.

Odia is the official language of Odisha, a state in eastern India.

Assamese is the official language of Assam, a state in northeastern India.

Nicobarese is the native language of the Nicobar Islands, a group of islands in the Bay of Bengal.

Kokborok is the native language of the Tripuri people, an ethnic group in the state of Tripura.

Meitei is the native language of the Meitei people, an ethnic group in the state of Manipur.

Mizo is the native language of the Mizo people, an ethnic group in the state of Mizoram.

Naga is a collective term for a group of languages spoken by the Naga people, an ethnic group in the state of Nagaland.

Adi is the native language of the Adi people, an ethnic group in the state of Arunachal Pradesh.

Lepcha is the native language of the Lepcha people, an ethnic group in the state of Sikkim.

Khasi is the native language of the Khasi people, an ethnic group in the state of Meghalaya.

Santali is the native language of the Santhal people, an ethnic group in the state of Jharkhand.

Chhattisgarhi is the native language of the Chhattisgarhi people, an ethnic group in the state of Chhattisgarh.