R. Raghavendra

The International Institute of Information Technology-Bangalore (IIIT-B) and two Chennai-based companies, Lattice Bridge Info and Spatial Data (Spinfo), are together developing cell phone-based technology designed to help the visually impaired and tourists find their way in a particular location.
"The investment in this whole set-up will have to be met by the subscribers," said Professor S. Rajagopalan of IIIT-B.