India is using indelible ink on fingers to ensure people get only one chance to change their big bank notes.
Prime Minister Narendra Modi scrapped 1,000 (£11.8) and 500 notes in a surprise move last week as part of a tax evasion and corruption crackdown.
People have a limited time to exchange the notes for smaller denominations, but will have their fingers marked.
The government wants to stop holders of "black cash" offloading their old rupee notes in small tranches.
Authorities often use indelible ink to stop people from voting more than once in Indian elections.
People were told they should deposit their high denomination notes in the banks, or could only exchange up to 4,500 rupees, ($65; £52) for smaller notes.
But to clamp down on holders of unlawfully held or untaxed cash, depositors can only make such transactions once and so the banks are using the...Read more...