The highest civilian honor bestowed by the Tamil Nadu government is the:

Bharat Ratna
Thiruvalluvar Award
Kamarajar Award
Kalaimamani Award

The correct answer is the Thiruvalluvar Award.

The Thiruvalluvar Award is the highest civilian honor bestowed by the Government of Tamil Nadu, India. It is named after the Tamil poet and philosopher Thiruvalluvar, who is considered one of the greatest Tamil literary figures. The award is given annually to individuals who have made outstanding contributions in the fields of literature, art, music, dance, drama, science, medicine, education, social service, and public life.

The award consists of a cash prize of ₹1 lakh, a gold medal, and a citation. It is presented by the Chief Minister of Tamil Nadu at a special function held in Chennai.

The following are the other options in the question:

  • The Bharat Ratna is the highest civilian award in India. It is awarded by the President of India to individuals who have made exceptional contributions to the nation in any field.
  • The Kamarajar Award is a state award given by the Government of Tamil Nadu to individuals who have made outstanding contributions in the field of public service.
  • The Kalaimamani Award is a state award given by the Government of Tamil Nadu to individuals who have made outstanding contributions in the field of art and culture.