If you are an Indian company after information on Digital Sky… please follow the below forums for the ONLY accurate information on this topic.
digitalsky.ispirt.in
Ardupilot and the Cube will be fully compliant with the full regulations and @sidbh is actively working on this matter for CubePilot, he is also in the ISpirit forum on this matter.
Will the existing cube system is compatible with this technology. I am from India and I want to know what devolpment is going on this technology on your end