Kannada is a Dravidian language spoken in the southern Indian state of Karnataka, while Bengali, Hindi, and Odia are Indo-Aryan languages spoken in the eastern part of India.

Bengali is the most widely spoken East Indian language, with over 250 million speakers worldwide. It is the official language of Bangladesh and the second most spoken language in India.

Sanskrit is an ancient Indo-Aryan language that is considered to be the oldest of the East Indian languages. It is the liturgical language of Hinduism, Buddhism, and Jainism and is still used in religious ceremonies and rituals.

Bengali is renowned for its rich literary tradition, which includes works by Nobel laureates Rabindranath Tagore and Muhammad Yunus. It is also the language of the Baul singers, who are known for their mystical songs and poems.

Odia is the official language of the Indian state of Odisha and is spoken by over 35 million people. It is a member of the Indo-Aryan language family and is closely related to Bengali and Assamese.

Assamese is the official language of the Indian state of Assam and is spoken by over 15 million people. It is a member of the Indo-Aryan language family and is closely related to Bengali and Odia.

Meitei is the official language of the Indian state of Manipur and is spoken by over 1 million people. It is a member of the Tibeto-Burman language family and is unrelated to the Indo-Aryan languages spoken in the rest of India.

Kokborok is the official language of the Indian state of Tripura and is spoken by over 1 million people. It is a member of the Tibeto-Burman language family and is closely related to Meitei.

Adi is a group of Tibeto-Burman languages spoken in the Indian state of Arunachal Pradesh. It is spoken by over 1 million people and is the most widely spoken language in the state.

Naga is a group of Tibeto-Burman languages spoken in the Indian state of Nagaland. It is spoken by over 1 million people and is the most widely spoken language in the state.

Mizo is a Tibeto-Burman language spoken in the Indian state of Mizoram. It is spoken by over 1 million people and is the most widely spoken language in the state.

Nepali is the official language of the Indian state of Sikkim and is spoken by over 500,000 people. It is a member of the Indo-Aryan language family and is closely related to Hindi.

Khasi is a group of Austroasiatic languages spoken in the Indian state of Meghalaya. It is spoken by over 1 million people and is the most widely spoken language in the state.

Bengali is the official language of the Indian state of West Bengal and is spoken by over 90 million people. It is the second most widely spoken language in India and is also spoken in Bangladesh.

Hindi is the official language of the Indian state of Bihar and is spoken by over 100 million people. It is the most widely spoken language in India and is also spoken in Nepal, Pakistan, and Mauritius.