Rajnath Singh released the Export Compendium of Defence Research and Development Organisation (DRDO) which consists of defence systems and platforms, which can be exported to friendly countries at Aero-India 2021 on the inaugural day. A major revision of Design, Development & Production of Military Airborne Stores (DDPMAS) document has also been released. DDPMAS document is followed by the aeronautics fraternity for design, development, production and certification of airborne systems.