Acting on a tip-off, the Excise personnel raided a house at Arar Bazar area and seized the brown sugar, valued at around Rs 15 lakh, an Excise official said.
The peddler, identified as Suhela Bibi and aged around 40 years, was arrested.
She confessed to have brought the contraband from a middleman dealing with drugs from a village on West Bengal-Odisha border, he said.
Excise officials along with police are investigating the matter to find out details about the network involved in drug trafficking in the region.
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