The institutions that were brought under the purview of the Internal Security, Home Affairs and Disaster Management State Ministry
-   Rakna Security Lanka Limited
-   National Authority for the Implementation of Chemical Weapons Convention
-   National Dangerous Drugs Control Board
-   School of Defence Services
-   Ranaviru Seva Authority
-   Defence Research and Development Center
-   Institute of National Security Studies Sri Lanka
-   National Institute of Defence, Sri Lanka
-   National Security Fund
-   Api Venuwen Api’ Fund