- Basic Christian Communities:
Father Joseph Rathinaraj
Caldwell Colony, 3rd Street, Tuticorin - 682008
- Bible Commission:
Fr. James Victor
Natcheythi Naduvam, Millerpuram, Palayamkottai Road, Tuticorin - 682008
- Commission:
Social Communication Father Jerald S. Ravi
Bishop's House, Tuticorin- 682001
Phone: (91) 461-2320750
- Education Commission: Father John Selvam:
Bishop's House, Tuticorin - 682001
Phone: (91) 461-2320035
- Health Commission:
Father Starwin
Lucia Centre, Meelavitan, Tuticorin 682005
- Labour Commission:
Father Venice Kumar
Bishop's House, Tuticorin- 682001
Phone: (91) 461-2320035
- Laity Commission:
Father Joseph Rathinaraj
Sangamam, Laity Centre, Caldwell Colony, Tuticorin - 682008
Phone: (91) 461-2375808
- Schedule Caste & Schedule Tribes:
Father Leo Jayaseelan
Bishop's House, Tuticorin- 682001
Phone: (91) 461-2320035
- Service Society :
Tuticorin Multipurpose Social Father Starwin
Bishop's House, Tuticorin- 682001
Phone: (91) 461-2320035
- Valliyur Multipurpose Social Service Society:
Father Rex Lumine
Our Lady of Fatima Church, Valliyur, Tirunelveli District - 627 116
Phone: (91) 462-220363
- Vocation Commission:
Father Julian
Little Flower Seminary, Innaciarpuram, Tuticorin - 682002
- Youth Commission:
Father John Suresh
Udhaya Tharagai, Youth Center, Innaciarpuram, Tuticorin 682002