The Tamil Nadu state award conferred for excellence in literature is the:

Bharathiar Award
Kalaimamani Award
Sahitya Akademi Award
Jnanpith Award

The correct answer is Bharathiar Award.

The Bharathiar Award is a literary award presented by the Government of Tamil Nadu to writers in the Tamil language. It is named after Mahakavi Subramania Bharathi, one of the greatest Tamil poets and literary figures of all time. The award is given annually to a writer for their outstanding contribution to Tamil literature.

The Kalaimamani Award is a state government award presented by the Government of Tamil Nadu to artists in various fields, including literature, music, dance, drama, and film. The award is given annually to individuals who have made significant contributions to their respective fields.

The Sahitya Akademi Award is a literary award presented by the Sahitya Akademi, India’s national academy of letters. The award is given annually to writers in the 24 languages recognized by the Sahitya Akademi for their outstanding contribution to literature.

The Jnanpith Award is the highest literary award in India. It is presented annually by the Bharatiya Jnanpith, a non-profit organization based in New Delhi. The award is given to an Indian writer for their outstanding contribution to literature in any of the 22 official languages of India.