The Agni's manoeuvring RV is made of a carbon-carbon composite material that is light and able to sustain high thermal stresses of re-entry, in a variety of trajectories.

The Agni-IIA is a more advanced version of Agni-II, albeit with more sophisticated and lighter materials, yielding a better range and operating regime.

While the first test of Agni-IV in December 2010 was a failure, the second test flight in November 2011 was a success[10] Agni-II, developed as part of medium- and long-range Agni series of missile systems, has already been inducted into the Armed Forces.

[11] On 17 May 2010, the trial was conducted with a Strategic Forces Command (SFC) of nuclear-capable Agni-II ballistic missile, with a range of 2,000 kilometres from the Wheelers Island off Orissa coast thus making Agni-II missile operational by army.

[12] US Air Force National Air and Space Intelligence Center estimating that as of June 2017 less than 10 launchers were operationally deployed,[13] operated by the 335 Missile Group of Regiment of Artillery at Secunderabad using 12 TEL vehicles.