1. St. Marys Minor Seminary
Mukkoottukal Manjalummood P.O., K.K.District 629 151 Tamilnadu,
Tel: 04651-286736
Estd: 1998
Rector : Very Rev. Fr. Justin Cheruvelil
Total number of seminarians : 26

2. SANGAMAM (The Administration and Animation Centre of the Diocese)

Keezhekalkurichy, Thuckalay P.O., K.K. District 629 175 Tamilnadu,
 Tel: 04651-251979, 256910
 Director: Very Rev. Fr. Johnsilal Arackaparampil

3. Centre for Catechesis

Kalluvilai, Mulagummoodu P.O., K.K. District 629 167, Tamilnadu
  Director: Rev. Fr. Alex Puthettu

4. Cherupushpa Mission League Office (CML)
Kalluvilai, Mulagummoodu P.O., K.K. District 629 167, Tamilnadu
Director: Rev. Fr.  Shojomon Erupathanchilchira

5. Youth Apostolate Office (TCYM)
Kalluvilai, Mulagummoodu P.O., K.K. District 629 167, Tamilnadu
Director: Rev. Fr. Felix Arulnathan SDB

6. Kuzhanthai Iso Iyakkam Office
Kalluvilai, Mulagummoodu P.O., K.K. District 629 167, Tamilnadu
Director: Rev. Fr. Jomon Mangalamadom

7. Centre for Family Apostolate

Kalluvilai, Mulagummoodu P.O., K.K. District 629 167, Tamilnadu
 Director: Rev. Fr. Joseph Nedupuram

8. Corporate Management of Schools Office
Kalluvilai, Mulagummoodu P.O., K.K. District 629 167, Tamilnadu
Correspondent : Very Rev. Fr. Johnsilal Arackaparambil

9. Office of Kanyakumari Social Service Society (KKSSS)

Kalluvilai, Mulagummoodu P.O., K.K. District 629 167, Tamilnadu
 Tel: 04651-275160, 275214
 Email: kkssstk@yahoo.com
 President: Very Rev. Fr. Jose Muttathupadam
 Secretary & Director: Rev. Fr. Saji Elambasseril SDB

10. Thuckalay Catholic Students League Office (TCSL)
Kalluvilai, Mulagummoodu P.O., K.K. District 629 167, Tamilnadu
Director : Very Rev. Fr. Johnsilal Arackaparambil

11. Office of Legion of Mary
Kalluvilai, Mulagummoodu P.O., K.K. District 629 167, Tamilnadu
Spiritual Director : Very Rev. Fr. Jose Muttathupadam

12. Home Mission
Kalluvilai, Mulagummoodu P.O., K.K. District 629 167, Tamilnadu
Director : Very Rev. Fr. Siju Joseph Puthenpurayil

13. Kozhippoorvilai Resourse Centre
Sychar Resourse Centre, Zion Nagar, Kozhipporvilai, Kuzhicode, K.K.Dist. Tamilnadu 629 167
Director: Very Rev. Fr. Mathew Mulanganasseril MST