Hospital Information System (HIS) is considered as an important factor in health care sector for managing the administrative, financial and clinical aspects of a hospital. A large number of hospitals from both developing and developed countries have started to adopt HIS to bring efficiency in their system. This study is conducted to contribute to the literature regarding HIS implementation in developing countries as there is scarce literature. In this study, socio technical model is used to understand the current working Combined Military Hospital (CMH). Qualitative case study is conducted...