The Indo-Aryan language family is the primary source of East Indian languages, with a majority of the languages belonging to this family.

Hindi is the most widely spoken East Indian language, with over 400 million native speakers.

Sanskrit is known for its rich classical literature, including the Vedas, Upanishads, and the epics Ramayana and Mahabharata.

Bengali is the official language of the state of West Bengal and is spoken by over 200 million people.

Marathi is the official language of the state of Maharashtra and is spoken by over 80 million people.

Telugu is the official language of the state of Andhra Pradesh and is spoken by over 80 million people.

Odia is the official language of the state of Odisha and is spoken by over 30 million people.

Assamese is the official language of the state of Assam and is spoken by over 15 million people.

Manipuri is the official language of the state of Manipur and is spoken by over 1 million people.

Tripuri is the official language of the state of Tripura and is spoken by over 1 million people.

Khasi is the official language of the state of Meghalaya and is spoken by over 1 million people.

Naga is the official language of the state of Nagaland and is spoken by over 1 million people.

Mizo is the official language of the state of Mizoram and is spoken by over 1 million people.

Arunachali is the official language of the state of Arunachal Pradesh and is spoken by over 1 million people.

Sikkimese is the official language of the state of Sikkim and is spoken by over 1 million people.