Aptly named Netra, this smart cane is a smart device developed and based on Artificial Intelligence, and not only just as a guide but a protector for the blinds, thus making them self-reliant in ways more than one as it has sensors to sense obstacles, GPS navigation system, SOS alert, inbuilt taser among others.Lovelesh, who hails from Haryana and is currently a student of MBA in Chandigarh University, explains the working of the cane, Based on Artificial Intelligence, the smart cane has a number of features.