It broke out around 5:30 am in the factory of Meridian Chips, said Farid Ahmmed Chowdhury, the deputy assistant director of the Agrabad Fire Service.
Ten firefighting vehicles from Bayezid, Chandanpura, Kalurghat, and Agrabad fire stations rushed to the spot and brought the fire under control around 10 am after five hours of frantic efforts.
However, the fire could not be doused completely yet.
It is unclear what sparked the fire. The damage caused by the fire could not be ascertained yet.
Another fire broke out in the factory on December 21, 2011.