The Perumbavoor police on Tuesday arrested two persons who were found in possession of brown sugar. The arrested were identified as Alangir Biswas, 29, and Neyath Sheikh, 20, who hail from Murshidabad in West Bengal. The accused, who possessed 20 grams of brown sugar, were arrested from Kunnumvazhy near Perumbavoor. The duo was produced in court and remanded in judicial custody. The police said an investigation was on to find the source of the contraband.