Which missile is designed to defend large installation like oil-fields etc. against enemy air attacks?

Answer: Option A

Akash missile is designed to defend large installation like oil-fields etc. against enemy air attacks. Akash is a surface-to-air missile with an intercept range of 30 km. It has a launch weight of 720 kg, a diameter of 35 cm and a length of 5.78 metres. Akash flies at supersonic speed, reaching around Mach 2.5. It can reach an altitude of 18 km and can be fired from both tracked and wheeled platforms.