Rajdeep Uppal, an Amritsar-based merchant who has operated across the border for 15 years, helped lead a four-year campaign for the new Wagah post.

ECONOMIST: India-Pakistan relations: Make lolly, not war | The

Users activate their cards by pressing a fingerprint into a battery-operated reader at, say, a merchant, which must match the prints stored on the card.

FORBES: Great Expectations