Christian Hospital Tank has an evangelism department which is providing spiritual care to hospital and to patients which are admitted in the hospital. All the employees meet daily at 8 a.m. in the morning in the Church with morning devotions lead by the Priest and other staff members. Afterwards Christian hymns are sung in Pashto for the patients in the male and female wards. Christian literature is available in Pashto and Urdu languages for the patients coming in the hospital to read and study the message of the Gospel. CHT has book room which is equipped with both Urdu and Pashto literature. The Tank Parish Church in the hospital compound is under the pastoral care of the Diocese of Peshawar, Church of Pakistan.