National Inauguration of Hypersonic Wind Tunnel at DRDO Hyderabad NewsTrack PlusDecember 20, 2020 Hyderabad (PIB) : Raksha Mantri Shri Rajnath Singh visited DRDO’s Dr APJ Abdul Kalam Missile Complex during his visit to Hyderabad on 19th Dec 2020. Hon’ble Union Minister of State... Share