Aeronautical Development Agency
The Aeronautical Development Agency (ADA) under Department of Defence Research and Development (DR&D) of India's Ministry of Defence was established at Bangalore, in 1984 to oversee the development of the nation's Light Combat Aircraft (LCA) programme. It has developed HAL Tejas and is developing HAL AMCA, HAL TEDBF and DRDO Ghatak. Software development. ADA has established advanced state of the art computing centre with several powerful equipments and software. ADA has developed specialised software in the fields of computer-aided design (CAD), computer-aided engineering (CAE), computer-aided manufacturing (CAM), avionics, systems, independent validation and  verification, flight simulation. The spin-off benefits of the research and development is realised with help of commercial partnership with leading multi-national companies such as Boeing, Airbus, IBM, Dassault Systèmes, Parametric Technology Corporation (PTC). The following are some of the software developed for the LCA-Tejas development programme.