Exoskeletons are wearable devices which are used to enhance the physical competency of the wearer. By overcoming the physical limitations, these wearable machines assist limb movements with better strength and help the wearer perform various tasks. Exoskeletons can be powered with electric motors, actuators, pneumatics, sensors, hydraulics, levers or a combination of technologies or it can be completely passive. The use of exoskeletons to improve the quality of life of the people with mobility disorders in the medical field is on the rise. Usually, exoskeletons used in the medical field are modular and lightweight which allows the user to independently put on and remove each piece smoothly. Further, market players are coming up with exoskeletons which can be utilized by patients with spinal cord injury or rehabilitation of stroke. Exoskeleton devices are also used in mobility aids and rehabilitation patients with physical and neurological disorders. Some military ...