Three mobile courts sentenced 30 fishermen to 10-day imprisonment for catching Hilsa in the Padma River.
A ban has been imposed by the government on catching, selling, transportation and hoarding Hilsa from October 1 to October 22.
The mobile courts conducted the drives in Nasirpur, Munshirchar of Sadarpur upazila, Akutter Char, Char Hazar Bigha in Charbhadrashan upazila and Dicrir Char and Northchannel Chair in Sadar upazila from Thursday evening till Friday morning.
Executive magistrate Sajal Chandra Sheel led mobile court conducted a drive along the Padma river in Charbhadrashan upazila and sentenced 13 fishermen to 10-day jail each for catching Hilsa fish.
Another mobile court led by executive magistrate Mukul Kumar Moitra conducted a drive in Sadar upazila and awarded eight fishermen jail term for the same reason.
Meanwhile, Hasan Hafizur Rahman led another mobile court and conducted a drive in Sadarpur upazila and sentenced nine fishermen to jail.
During the drives, the mobile courts also seized 160 kgs of Hilsha and one lakh meter current nets.