Bengaluru: Bengaluru-based Astrobase Space Technologies will invest Rs 800 crore in Andhra Pradesh to expand its rocket testing facility at Thimmasamudram in Sri Sathya Sai district to about 360 acres from the existing 22 acres.The company has signed a memorandum of understanding with the Andhra Pradesh Economic Development Board to add 339 acres to the facility. The expanded infrastructure will support launch vehicle stage development, static