DRDO test fired the new version of __________ surface-to-air defence missile under the Integrated Guided-Missile Development Programme (IGMDP)?

The Defence Research Development Organization (DRDO) successfully test-fired the new version of the Akash surface-to-air defence missile system with a new indigenously-developed seeker in Balasore off the Odisha coast on 27 May. This is the second successful test of the missile. The medium range multi-target engagement capable missile was developed as part of the Integrated Guided-Missile Development Programme (IGMDP) other than Nag, Agni, Trishul, and Prithvi missiles.