Fire Service and Civil Defense Department Officer-in-Charge Enayet Hossain confirmed the news.
He, however, could not tell the casualties immediately.
On information, 26 units of Fire service rushed to the spot and after three hours of hectic efforts they doused the blaze, according to fire service officials.
However, smokes spreading from the burnt debris even around 8:00 am.
Fire service officials said there had been several furniture shops at the lower floors which gave them hard time to bring the fire under control.
Badda thana inspector (investigation) Delwar Hossain said no casualties have been reported yet. Most of the residents escaped to the rooftop before fire spread.
They have been rescued, he added.