Drones have revolutionized the technological world, with spreading end user applications and industries. The multipurpose drone has evolved through many stages and these drones are now being used for delivery services by online retailers. These are still undergoing innovation, with companies engaging in research and development of this emerging technology in commercial sector. The reduction in manpower and labor cost has encouraged the adoption of drones for commercial purposes. Furthermore, the ability to carry heavier payloads and time saving properties have led to the innovation of more versatile drones, such as multi-rotor drone, for consumers and industrial market.