The Razia Petrol Pump caught fire around 5:25pm, said Atiqul Islam, duty officer at the control room of Fire Service and Civil Defence Headquarters.
Ten firefighting units rushed to the site and brought the fire under control around 5:54 pm.
It is still unclear what caused the fire, he said.
Eight units of fire service are working to douse the flame.
The intensity of fire was increasing. The members of fire service have evacuated people from the buildings adjacent to the petrol pump.