BANGALORE: India is developing an umanned aerial vehicle (UAV) similar to American Predator drones with an investment of Rs 1,500 crore and planning an unmanned combat vehicles, a key official involved in the project said today. UAV Rustom-2 project is spread over 66 months, Director of Bangalore-based Aeronautical Development Establishment (ADE), a Defence Research and Development Organisation ( DRDO) laboratory, P S Krishnan, told PTI here. Rustom-2 would have a wing-span of 21-odd metres and an endurance...