Intelligence and security organisation established by the Central Government

1. Intelligence Bureau.

2. Research and Analysis Wing of the Cabinet Secretariat.

3. Directorate of Revenue Intelligence.

4. Central Economic Intelligence Bureau.

5. Directorate of Enforcement.

6. Narcotics Control Bureau.

7. Aviation Research Centre.

8. Special Frontier Force.

9. Border Security Force.

10. Central Reserve Police Force.

11. Indo-Tibetan Border Police.

12. Central Industrial Security Force.

13. National Security Guards.

14. Assam Rifles.

15. Special Service Bureau.

16. Special Branch (CID), Andaman and Nicobar.

17. The Crime Branch-C.I.D.- CB, Dadra and Nagar Haveli.

18. Special Branch, Lakshadweep Police.