Police said the car with Kerala registration plates was stopped during a routine check at Saravanampatti early today. The two occupants gave evasive replies to questions, following which the vehicle was searched and the notes seized.
Preliminary enquiry revealed that the duo, hailing from Thrissur in Kerala, failed to exchange the notes earlier, despite having documents.
Both were taken into custody, they said, adding Income Tax department officials were informed and they were now questioning them.
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