The room lights with gleaming smiles and a fervor of enthusiasm as you enter. The next batch of assembly line is set to begin in a few minutes and the room is abuzz with activity within moments. The tiny components swiftly, yet meticulously pass the hands of those with hearing aids tightly twitched to their ear. As close to 250 such components are carefully crafted and assembled into a pair of haptic shoes, those in the assembly unit share a satiated smile. It is this very product assembled in a small room in Secunderabad, Hyderabad that gives vision to millions of visually challenged across the world to navigate through the sense of touch.