Law enforcement

• Food and Drug Administration (FDA)
• Criminal Investigations Department (CID)
• Directorate General Civil Defence & Fire Services (DGCD)
• Home Guards
• Railway Protection Force
• Rapid Action Force (RAF)
• Central Reserve Police Force (CRPF)
• Central Industrial Security Force (CISF)
• Central Vigilance Commission
• Narcotics Control Bureau (NCB)
• National Security Guards (NSG)
• Defence Security Corps
• Department of Internal Security
• Special Protection Group (SPG)

Source: www.india.gov.in

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

Independent Agencies/Bodies

• 
  
  •     Planning Commission
  •     Telecom Regulatory Authority of India(TRAI)
  •     Election Commission of India
  •     Comptroller and Auditor General of India (CAG)
  •     Union Public Service Commission (UPSC)
  •     Central Information Commission
  •     Central Vigilance Commission (CVC)
  •     Office of the Principal Scientific Adviser
  •     National Commission for Backward Classes (NCBC)
  •     National Commission for Minorities (NCM)
  •     National Commission for Scheduled Castes (NCSC)
  •     National Commission for Scheduled Tribes (NCST)
  •     National Commission for Women (NCW)
  •     National Commission on Population
  •     National Human Rights Commission (NHRC)
  •     Central Electricity Regulatory Commission (CERC)
  •     Reserve Bank of India (RBI)
  
  Source: www.india.gov.in