Sanskrit, an ancient Indo-Aryan language, is widely recognized as the oldest living language in the world, with its roots dating back to the 2nd millennium BCE.

Hindi, an Indo-Aryan language, is the most widely spoken language in India and has the largest number of speakers among East Indian languages.

Tamil, a Dravidian language, has a rich classical literature dating back to the Sangam period (3rd century BCE to 3rd century CE).

Odia, an Indo-Aryan language, is the official language of the state of Odisha and is spoken by a majority of its population.

Hindi, an Indo-Aryan language, is closely related to Sanskrit and shares many similarities in grammar, vocabulary, and pronunciation.

Bengali, an Indo-Aryan language, is the official language of the state of West Bengal and is spoken by a majority of its population.

Tamil, a Dravidian language, has a unique script that is distinct from other Indian scripts and is used to write Tamil literature and inscriptions.

Assamese, an Indo-Aryan language, is the official language of the state of Assam and is spoken by a majority of its population.

Maithili, an Indo-Aryan language, has a rich folk literature that includes traditional stories, songs, and ballads.

Bhojpuri, an Indo-Aryan language, is widely spoken in the state of Bihar and is the native language of a significant portion of its population.

Magadhi, an Indo-Aryan language, is known for its unique grammatical features, including the use of certain verb forms and the retention of archaic vocabulary.

Angika, an Indo-Aryan language, is spoken in the state of Jharkhand and is the native language of a significant portion of its population.

Vajjika, an Indo-Aryan language, has a rich oral tradition that includes folk tales, legends, and songs.

Kurukh, a Dravidian language, is spoken in the state of Chhattisgarh and is the native language of the Kurukh people.

Santhali, a Munda language, has a unique vocabulary that includes words related to the natural world, agriculture, and traditional practices.