Sanskrit is a scheduled language in the Eighth Schedule of the Indian Constitution, while Bodo, Dogri, and Maithili are unscheduled languages.

Maithili is spoken by over 30 million people in India, making it the largest unscheduled language in the country.

Dogri is spoken in the Jammu region of Jammu and Kashmir, while Kashmiri is the official language of the state.

Bodo is spoken in the Bodoland Territorial Region of Assam, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Santhal Parganas region of Jharkhand, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Mayurbhanj and Keonjhar districts of Odisha, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Purulia and Bankura districts of West Bengal, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Surguja and Jashpur districts of Chhattisgarh, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Shahdol and Umaria districts of Madhya Pradesh, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Dungarpur and Banswara districts of Rajasthan, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Dahod and Panchmahal districts of Gujarat, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Gadchiroli and Chandrapur districts of Maharashtra, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Belgaum and Dharwad districts of Karnataka, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Srikakulam and Vizianagaram districts of Andhra Pradesh, while Maithili is spoken in the Mithila region of Bihar.

Santali is spoken in the Nilgiris and Coimbatore districts of Tamil Nadu, while Maithili is spoken in the Mithila region of Bihar.