The duo was identified from the CCTV footage of the Axis Bank's ATM located outside the Maharashtra police headquarters in south Mumbai, a senior police officer said.
Sources said the two suspects were Bulgarians and they had installed a 'skimmer' in the ATM machine.
Earlier this month, a case was registered against unknown persons at Colaba police station under IT Act and IPC after 37 people, including 15 policemen, fell victim to card-cloning fraud to the tune of Rs 15.47 lakh, in which their money was withdrawn in Greece.