HAL new facility: Defence Secy inaugurates new design and test facility for Aero Engine R&D at HALby India News Online Team December 29, 2023 0 Defence Secretary Giridhar Aramane on Friday inaugurated a new design and test facility at Hindustan Aeronautics Limited's (HAL) Aero Engine Research and Development Centre (AERDC), Bengaluru. The AERDC is ...