Hindustan Aeronautics Limited (HAL) and SAFHAL Helicopter Engines Pvt. Ltd. have signed a contract for the joint design, development, and production of high-power helicopter engines named 'Aravalli'. These engines will be used in the Indian Multi-Role Helicopter (IMRH) and the Deck-Based Multi-Role Helicopter (DBMRH) being developed by HAL. This partnership aims to bolster India's self-reliance in aerospace and defense technologies.