High Quality Content by WIKIPEDIA articles! Agni-III is an intermediate-range ballistic missile developed by India as the successor to Agni-II. It has a range of 3,500 km- 5,000 km, and is capable of engaging targets deep inside neighboring countries. The missile’s Circular error probable (CEP) is within 40 meters range, which makes it the most sophisticated and accurate ballistic missile of its range class in the world. In June 2011, it was reported that Agni-III has been inducted into the armed forces and is under-production.