- Adiyan
- Aranadan
- Eravallan
- Irular
- Kadar
- Kammara (excluding Kanyakumari district and Shenkottah taluk of Tirunelveli district)
- Kanikaran, Kanikkar (in Kanyakumari district and Shenkottah and Ambasamudram
taluks of Tirunelveli district) - Kaniyan, Kanyan
- Kattunayakan
- Kochu Velan
- Konda Kapus
- Kondareddis
- Koraga
- Kota (excluding Kanya kumari district and Shenkottah taluk of Tirunelveli district)
- Kudiya, Melakudi
- Kurichchan
- Kurumbas (in the Nilgiris district)
- Kurumans
- Maha Malasar
- Malai Arayan
- Malai Pandaram
- Malai Vedan
- Malakkuravan
- Malasar
- Malayali (in Dharmapuri, North Arcot, Pudukottai, Salem, South Arcot and Tiruchirapalli districts)
- Malayekandi
- Mannan
- Mudugar, Muduvan
- Muthuvan
- Palleyan
- Palliyan
- Palliyar
- Paniyan
- Sholaga
- Toda (excluding Kanya kumari district and Shenkottah Taluk of Tirunelveli district)
- Uraly