India's Internet on Rails

Only a third of India's population are online, but that could change with new projects to turn India's railways into digital superhighways. Click is in India to see how innovation is helping to solve some of the country's most pressing problems, and how a new generation of entrepreneurs are setting their sights globally. Click goes behind the scenes with Ola Cabs - India's biggest ride sharing app - as it faces up to international taxi titan Uber. And from India's big cities, to the countryside where low-cost technology is making a big difference to children in rural schools.