Bengali is the most widely spoken language in the Eastern Region of India, with over 200 million speakers.

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.

Maithili is the most widely spoken language in the state of Bihar and is spoken by over 20 million people.

Santali is the most widely spoken language in the state of Jharkhand and is spoken by over 6 million people.

Bengali is the official language of the state of West Bengal and is spoken by over 90 million people.

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

Adi is the most widely spoken language in the state of Arunachal Pradesh and is spoken by over 1 million people.

Meitei is the official language of the state of Manipur 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.

Naga is the most widely spoken language in the state of Nagaland and is spoken by over 1 million people.

Nepali is the official language of the state of Sikkim and is spoken by over 500,000 people.

Khasi is the most widely spoken language in the state of Meghalaya and is spoken by over 1 million people.

Nicobarese is the most widely spoken language in the state of Andaman and Nicobar Islands and is spoken by over 30,000 people.

Malayalam is the official language of the state of Lakshadweep and is spoken by over 60,000 people.