Intelligence

National

•     Intelligence Bureau (IB) (internal)
•     Research and Analysis Wing (RAW) (external)
•     Joint Intelligence Committee (JIC) (internal)

Economic

•     Economic Intelligence Council
•     Central Economic Intelligence Bureau
•     Directorate General of Revenue Intelligence (DGRI)
•     Directorate of Enforcement
•     Directorate General of Anti-Evasion
•     Directorate General of Income Tax Investigation
•     Directorate of Income Tax Intelligence and Criminal Investigation

Military

•     Aviation Research Centre(ARC)
•     Directorate of Military Intelligence
•     Directorate of Air Intelligence
•     Directorate of Naval Intelligence
•     Special Service Bureau

Other

•     All-India Radio Monitoring Service (AIRMS)
•     Joint Cipher Bureau
•     Signal Intelligence Directorate

Source: www.india.gov.in