He visits the injured man in hospital and vows to bring the perpetrators to justice
Fire Service Control Room official Mahmudul Haq said the fire started in the building in West Shewraparha close to Peererbagh road at about 9:45pm on Saturday.
The firefighters doused the blazes around 10:30pm, he added.
A local resident told bdnews24.com that 'Technique Coaching Centre' uses the first floor of the building as its office and hold classes on the other floors.
The fire gutted the furniture on the fourth floor of the building, he added.
He also said the ongoing repair work on the road delayed the arrival of the fire service vehicles.