According to Iqbal's family he had been suffering from fever and cold for the past one week.
On Wednesday, he went to BMA building of Brahmanbaria general hospital for Covid test.
At one stage, Iqbal lost his consciousness and fell on the floor while standing in a long queue.
Later he was taken to the emergency section of the hospital where the doctors declared him dead.
Solaiman Mia, on-duty physician at the hospital, confirmed the news.