HAL Hindustan Aeronautics Ltd Contract Awards Announcement 2023 - Procurement AONs for Helicopters, Aircraft, and Upgradation Hindustan Aeronautics Ltd has received Acceptance of Necessity (AON) for procurement of Light Combat Helicopter and Light Combat Aircraft Mk 1A, as well as for the upgradation of Su-30 MKI Aircraft..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Hindustan Aeronautics Ltd