Diocese Communities
Sivagangai
Provincialate
| 1. Sarugani | 16. Joevilla – Puliyal |
| 2. Pasumpon- Kamuthi | 17. Devakottai |
| 3. Sivagangai | 18. Devakottai-Arul Nagar |
| 4. Paramakudi | 19. Ramnagar |
| 5. Thiruvarangam | 20. Karaikudi |
| 6. Ramnad | 21. Kuthalur |
| 7. Salaigramam | 22. Thirupathur |
| 8. Suranam | 23. Manamadura |
| 9. Satharasanpatti | 24. Rajakembiram |
| 10. Susaiapparpattanam | 25. Savariarpattanam |
| 11. Andichiurani | 26. R.S. Mangalam |
| 12. Thondi | 27. Rameswaram |
| 13. Karankadu | 28. Pamban |
| 14. Andavoorani | |
15. Puliyal |
Madurai
1. Massabielle Convent
2. Leonard Convent
3. St. Joseph’s House ( Leonard Hospital)
Trichy
Puthur-Trichy
Tanjore
1. Ponnamaravathi
2. Mudalchery
Kumbakonam
1. Puthur-Uthamanur
Vellore
1. Nallur
Dharmapuri
1. Selliampatti
2. Kandikuppam
Salem
1. Angammal Colony – Salem
2. Gundukallur – Salem