The duo - Krunal Soni and Nalin Soni - was arrested from near a toll plaza on the Ahmedabad-Vadodara expressway, DRI said in a release here.
DRI sleuths recovered eight gold bars weighing 1 kg each from their possession, it said.
Acting on a tip-off, the sleuths intercepted the Maruti car in which three persons were travelling.
"The three persons and the vehicle were searched. During the search of Krunal Soni and Nalin Soni, eight gold bars weighing 1kg were recovered from them. The officers asked them to produce bills/invoices/bill of entry in support of the gold they were carrying but they failed to provide any such document," the release said.
The DRI arrested the duo and seized the car used for transporting the smuggled gold, the release said, adding further investigation was on.
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