Drone is an unmanned flying machine controlled with help of a remote. It is of great use for a number of government and non-government organizations. Mostly a drone carries a camera for capturing images and recording videos of places which are not safe and hard to visit for human. However, camera is not the only thing it can carry. One can also attach special equipment for making the measurement of a location. When used by military, these machines are used for spying on and also for combat by attaching weapons.