In district of Chengalpattu, approximately around 50km from St. Thomas Hospital there is 34 acres of land encompassing of orchards, paddy field, teak plantation which is being developed by St. Thomas Hospital for social activities.
St. Thomas Hospital started a dispensary at aforesaid location at Acharapakkam, near the foot hill close to Mazhai Mali Matha Shrine, a popular Shrine of the Diocese of Chengalpattu.
The dispensary which was started with two rooms has grown as Primary Health Centre with modern facilities.
The Primary Health Centre covers more than 10 villages in and around Acharapakkam. The Primary Health Centre is equipped with pharmacy, lab and visiting doctor.
The campus also have house of Franciscan Sisters of St Joseph (FSJ) Provincialate, dedicated sisters are round the clock for 24 hours of the day.
The motto of love and serve guides the spirits of sisters to take care of poor and needy.