The Health System Enhancement Project (HSEP) is a primary health care serve development project financed by Asian Development Bank (ADB). The value of the project is USD 60 million comprising USD 37.5 million in concessionary loan, USD 12.5 million grant and USD 10 million as counterpart contribution from the Government of Sri Lanka . The project is delivered through a project investment modality and is effective from 05th of February 2019 and will be closed on November 2023. The project will be implemented in all nine districts of Central, North Central, Uva and Sabaragamuwa Provinces. The proposed project will improve efficiency, equity, and responsiveness of the primary health care (PHC) system based on the concept of providing universal health coverage and continuum of care to quality essential health services.