List of Indian intelligence agencies

India has a number of Intelligence agencies of which the best known are the Research and Analysis Wing, India’s external intelligence agency and the Intelligence Bureau, the domestic intelligence agency.

The National Technical Research Organisation (NTRO) is a technical intelligence agency under the National Security Advisor in the Prime Minister's Office, India. It was set up in 2004. It also includes National Institute of Cryptology Research and Development (NICRD), which is first of its kind in Asia.

The Research and Analysis Wing (RAW) is the primary foreign intelligence agency of India.

The Intelligence Bureau (IB) is India's internal intelligence agency and reputedly the world's oldest intelligence agency.

The Narcotics Control Bureau (NCB) is the chief law enforcement and intelligence agency of India responsible for fighting drug trafficking and the abuse of illegal substances.

Functions with the Central Board of Excise and customs(CBEC), in the Ministry of Finance, Department of Revenue. Headed by Director General in New Delhi, it is presently divided into seven zones, each under the charge of an Additional Director General, and further sub-divided into Regiont of Additional Directors, Joint Directors, Deputy Directors, Assistant Directors, Senior Intelligence Officers and Intelligence Officers. Its charter includes the following functions:

This agency was established on 5 March 2002 with the appointment of Lt. General Kamal Davar as the first Director General (DG). The DG reports to the Chief Of Defence Staffs (CDS). It is supposed to be the nodal agency for all defence related intelligence, thus distinguishing it from the RAW. Much of the agency's budget and operations are classified.

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