Detectives arrested a man and his son along with 500 bottles of liquor from Deogaon area in Savar upazila on the outskirts of the capital early Tuesday.
The arrestees were identified as Tapan D Costa and his son Harry D Costa.
Officer-in-charge of the Detective Branch of Dhaka Metropolitan Police (DMP) AFM Sayed said tipped off, a team of the detectives conducted a raid at a liquor factory in the area and arrested its owner Tapan and his son Harry in the dead of night.
The law enforcers also recovered 500 bottles of liquor from the spot.
A case was filed in this connection.