Biometric scans for discounted metro rides in Delhi — The Times of India — “In the new fare collection system, it will be possible to issue smart cards to individuals with their biometric data stored in them, ensuring that only they could use the card and not anyone else. Commuters, who will be provided concession on metro fares, need to get their finger scanned while entering or exiting a metro station, to ensure that only genuine commuters get the benefit of the concession.”