Internal Administration and Management Reforms
    1. Administrative Reforms Division
    2. Internal Administration Division
    3. Public Service Training Institute
    4. Sri Lanka Institute of Development Administration

Public Administration
    1. Establishments Division
    2. Combined Services Division
    3. Pensions and Housing Division
    4. Pensions Department

Home Affairs
    1. District Administration Division
    2. Divisional Administration Division
    3. Grama Niladari Administration Division
    4. Investigation & Management Division

Other
    1. Finance Division
    2. Internal Audit Division
    3. Media Division