Wheelchair Navigation Based on voice for Physically Challenged Person

Today¿s world comprises of a large variety of people. Some of them depend on others for their living. But in today¿s fast world, everyone is busy and there are less people to care for the increasing number physically challenged people. Studies have shown that until quite recently disabled people were socially isolated. Whether their condition was physical, emotional or mental, all met the same attitudes. They were kept off from social gatherings because they needed special attention or people to take care of them. These miserable conditions made think of bringing out a system which include personal security features and can be used by these misfortunate people so that they can navigate easily and without external aids.