Agni-III is an intermediate-range ballistic missile that extended India’s strike reach to between 3,000 and 3,500 km when it entered service, forming an important middle tier in the Agni missile family between the medium-range Agni-P and Agni-II and the intercontinental-range Agni-V. Operated by the Strategic Forces Command, Agni-III remains an active, regularly tested component of India’s land-based nuclear deterrent.[1]
Development of Agni-III began in the late 1990s as DRDO sought to extend India’s missile reach beyond the roughly 2,000 km range of the Agni-II, driven by the strategic requirement to hold a wider range of regional targets at risk. The missile’s first flight test took place on 9 July 2006, though this initial attempt was unsuccessful; a subsequent test on 12 April 2007 validated the missile’s design, followed by further successful tests in 2008 and 2010 that cleared the way for induction.[2]
The Indian Army formally accepted Agni-III into service in June 2011, following the completion of its development and validation test campaign, making it one of the earlier members of the Agni family to enter operational service after Agni-I and Agni-II.[2]
Agni-III has a maximum range of approximately 3,500 km, is a two-stage, solid-fuelled missile, and is deployed on 8×8 transporter-erector-launchers for road mobility, with rail-mobile deployment options also developed for the platform, giving the Strategic Forces Command flexibility in basing and concealment similar to the mobility concepts later refined on Agni-P.[3]
Agni-III remains an actively maintained and periodically tested part of India’s missile force; on 6 February 2026, the Strategic Forces Command successfully test-fired an Agni-III from the Integrated Test Range at Chandipur, Odisha, validating all operational and technical parameters and confirming the missile’s continued reliability more than a decade after its initial induction.[4]
Within India’s tiered missile force, Agni-III occupies the intermediate-range niche, capable of covering the whole of Pakistan and most of China from Indian territory, complementing the shorter-range Agni-P/Agni-I/II for closer targets and the longer-range Agni-IV/V for targets requiring intercontinental reach, giving the Strategic Forces Command a graduated set of strike options matched to different target distances.[1]
As one of the longer-serving members of the Agni family still in active service and regular test rotation, Agni-III demonstrates the operational maturity and sustained reliability DRDO has achieved with its intermediate-range missile designs, and continues to provide a proven, well-understood strike option even as India’s missile modernisation focus has shifted toward newer systems like Agni-P and the MIRV-capable Agni-V.[4]
| Type | Intermediate-Range Ballistic Missile |
| Country | India |
| Manufacturer | DRDO |
| Range | ~3,000-3,500 km |
| Stages | 2 (solid fuel) |
| Launch Platform | 8×8 TEL (road-mobile); rail-mobile variant |
| In Service Since | June 2011 |
| Operator | Strategic Forces Command |