- Caritas Hospital Established in 1962 by Mar Thomas Tharayil, Bishop of Kottayam, in collaboration with the selected few benevolent German people with just 50 beds. The prime aims Maternity care and Snake bite management. Dr. Peter Rohde MD from Germany was the first Doctor.
- Caritas School of Nursing was founded in 1965 by Bishop Mar Thomas Tharayil. The School provides 3½ year General Nursing and Midwifery (GNM) course with a strength of 50 students in each batch.
- Kerala's first Dialysis Unit started in Caritas Hospital
- Caritas College of Pharmacy, started in 1981, Caritas College of Pharmacy situates within the premise of Caritas Hospital and it was established in 23rd March 1987 under the eminent guidance and vision of his excellency Mar Kuriakose Kunnussery, the Bishop of Kottayam. D.Pharm course conducted with an intake of 60 students per year.
- Shalom Hostel started in 1994 for Hospital staffs & Pharmacy College Students.
- Caritas Hospital Trust has been registered in 1995 as a Public Charitable Trust with Reg. No.510/IV/1995.
Msgr. Jacob Kollaprambil was the first Chairman
- Bishop Tharayil block (BT Block) constructed in 1997. It has almost a hundred rooms and wards, in six floors
- B.Sc. Nursing Programme started in December 2002 for the BSc Nursing course and has an intake of 50 students per year. Honorable Former President of India laid the foundation stone for the construction of its esteemed building in 2002
- Caritas Cancer Institute inaugurated on February 24, 2003. It is a 82-bedded centre with Medical, Surgical and Radiation Oncology departments as well as a Pain and Palliative Care division. The centre is equipped with two linear accelerators for radiation teletherapy.Dr.Mary Kalapurakal, the head of the pain & palliative Dep. in caritas is the founder & 1st president of palliative assossiation in Kottayam district.
- Post Basic B.Sc. Nursing Course started in 2005 with 25 seats.
- Deavamatha Hostel started in 2006 for Nursing College Students.
- Caritas College of Nursing affiliated is declared as a Minority Educational Institution as per F.NO.235 of 2006 dated December 11, 2007.
- In 2008 Bishop Makil block (BM Block) was inaugurated and it has hundred and thirty pay ward rooms, seven operating theatres, and modernized facilities for obstetrics & gynecology, cardiothoracic surgery, centralized intensive care unit, modernized laboratory, and blood bank.
- Caritas Heart Institute was inaugurated by Shri Oommen Chandy, Hon'ble Chief Minister of Kerala and blessed by Mar Mathew Moolakkatt, Metropolitan Archbishop of Kottayam on 24 September 2011. It has South india's First Hybrid CathLab, Two state of the art Operation Theaters, 24 bedded Cardic Intensive Care Unit, 14 bedded post operative ICU, Hi-end Cardiac Catheterization Laboratory & Well equipped 24 hours mobile emergency.
