A total of 23 gold bars, collectively weighing 10.49 kg, were being smuggled by the four via the Indo-Myanmar border at Champhai in Mizoram when they were arrested on Wednesday, the DRI said in a statement.
The accused are native of Mizoram, it said, adding that they travelled by bus to Siliguri and were headed for Kolkata.
That seizure was also made in Siliguri.
In the financial year 2017-2018, the DRI seized close to 430 kg gold and gold jewellery in the east and northeast region collectively valued at more than Rs 110 crore.
The seizures were made in West Bengal and northeastern states.
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