The mobile court was led by Executive Magistrate Palash Kumar Bosu.
Brigadier General Nazmul Haque, director of the DMCH, said the RAB was conducting operations as per their rules to nab the brokers.
They were sentenced to highest one month in prison, he added.
Earlier on June 10, RAB arrested 24 brokers from the DMCH and each of them was later sentenced to one month in prison.