Ghewar Ram and his wife Champa Devi stand outside their hut in India’s desert state of Rajasthan and hold up their Unique Identification (UID) cards.
The cards themselves might be small, but they are part of a huge government initiative to reduce corruption. They relate to a database known as Aadhaar, which enables direct cash transfers to the poor in an attempt to cut out frauds who skim billions of dollars from welfare schemes.