Similar Twenty four Manai Telugu Chettiars, Toda people, Nagarathar |

Chettiar or Chetti is a title used by various mercantile, agricultural and land owning castes in South India, especially in the states of Tamil Nadu and Kerala.
"Chetti" derives from the Sanskrit word Shreshti, meaning wealth. It has variants in other parts of India.
Social status
The Nattukottai Chettiar are elite bankers.
References
Chettiar Wikipedia(Text) CC BY-SA