---
title: "Defence Intelligence Agency (DIA), India | Model Diplomat"
description: "The Defence Intelligence Agency (DIA) is India's top military intelligence body, crucial for coordinating intelligence across the Army, Navy, and Air Force."
url: "https://modeldiplomat.com/learn/glossary/defence-intelligence-agency-india"
---

[New](https://modeldiplomat.com/)

#

Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- The Defence Intelligence Agency is India's apex tripartite military intelligence body, established in 2002 to coordinate and integrate intelligence across the Army, Navy, and Air Force.
- When and why was the Defence Intelligence Agency established?
- How does the DIA differ from R\&AW and the Intelligence Bureau?
- Who heads the DIA and to whom does it report?
- What collection assets does the DIA control?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

The Defence Intelligence Agency is India's apex tripartite military intelligence body, established in 2002 to coordinate and integrate intelligence across the Army, Navy, and Air Force.

Go beyond the definition

## Research Defence Intelligence Agency (DIA) like a delegate

Model Diplomat's AI drafts position papers, speeches, and country research with real sources — built for MUN and politics students.

## Research it like a delegate

Research on modeldiplomat.com

## Ask a follow-up about Defence Intelligence Agency (DIA)

Open a cited briefing in Model Diplomat search — timelines, positions, and sources you can use in committee or exam answers.

[Start research on Defence Intelligence Agency (DIA)](https://modeldiplomat.com/search?q=Explain%20Defence%20Intelligence%20Agency%20\(DIA\)%20%E2%80%94%20key%20dates%2C%20actors%2C%20positions%2C%20and%20sources)

Example

In 2020, during the India–China standoff in eastern Ladakh's Galwan Valley, Defence Intelligence Agency imagery and signals assessments fed into the China Study Group advising the Indian government on PLA force movements along the Line of Actual Control.

Keep learning

## Go deeper than the definition

[Explore all Civil Service & Diplomatic Exams lessons](https://modeldiplomat.com/learn/civil-services)[Test yourself with a quiz](https://modeldiplomat.com/learn/glossary/quiz/civil-services)

## Take Defence Intelligence Agency (DIA) beyond the glossary

Ask the AI research engine built for diplomacy — get briefings, position papers, and speeches with sources you can cite in committee.