Languages
- 1. Adiyan
- 2. Aranadan
- 3. Eravallan
- 4. Irular
- 5. Kadar
- 6. Kammara (excluding Kanayakumari district and Shenkottah taulk of Tirunelveli district)
- 7. Kanikaran, Kanikkar (in Kanyakumari district and Shenkottah taulk of Tirunelveli district).
- 8. Kaniyan, Kanyan
- 9. Kattunayakan
- 10. Kochu Velan
- 11. Konda Kapus
- 12. Kondareddis
- 13. Koraga
- 14. Kota (excluding Kanyakumari district and Shenkottah taulk of Tirunelveli district).
- 15. Kudiya, Melakudi
- 16. Kurichchan
- 17. Kurumbas (in the Nilgiris district)
- 18. Kurumans
- 19. Maha Malasar
- 20. Malai Arayan
- 21. Malai Pandaram
- 22. Malai Vedan
- 23. Malakkuravan
- 24. Malasar
- 25. Malayali (in Dharmapuri, North Arcot, Pudukottai, Salem, South Arcot and Tiruchirappalli districts)
- 26. Malayakandi
- 27. Mannan
- 28. Mudugar, Muduvan
- 29. Muthuvan
- 30. Pallayan
- 31. Palliyan
- 32. Palliyar
- 33. Paniyan
- 34. Sholaga
- 35. Toda (excluding Kanyakumari district and Shenkottah taulk of Tirunelveli district).
- 36. Uraly
Districts
- 1. Ariyalur
- 2. Chengalpattu
- 3. Chennai
- 4. Coimbatore
- 5. Cuddalore
- 6. Dharmapuri
- 7. Dindigul
- 8. Erode
- 9. Kallakurichi
- 10. Kancheepuram
- 11. Karur
- 12. Krishnagiri
- 13. Madurai
- 14. Mayiladuthurai
- 15. Nagapattinam
- 16. Kanyakumari
- 17. Namakkal
- 18. Perambalur
- 19. Pudukkottai
- 20. Ramanathapuram
- 21. Ranipet
- 22. Salem
- 23. Sivaganga
- 24. Tenkasi
- 25. Thanjavur
- 26. Theni
- 27. Thiruvallur
- 28. Thiruvarur
- 29. Thoothukudi
- 30. Tirunelveli
- 31. Tirupathur
- 32. Tiruppur
- 33. Tiruvannamalai
- 34. The Nilgiris
- 35. Vellore
- 36. Villupuram
- 37. Virudhunagar