Acting on a tip off, the sleuths waited for the truck that took off from Changsari railway head in Guwahati last evening supposedly carrying FCI rice to Agartala, they said.
"The truck carrying 257 bags of rice, also had 81 cartons of the banned cough syrup hidden inside the rice bags. After passing the Bypass toll gate at Diengpasoh village, it was stopped at about 3 AM and then seized," a senior customs official said.
According to the officials, the seized drug is worth over Rs 37 lakh in the market.
The driver of the truck was arrested and booked under relevant sections of the NDPS Act.
