Superintendent of Police Swarna Prabhat on Tuesday said that the incident took place near a crowded pandal in the Raja Dal locality of the town during the prasadam distribution.
He said people were in the queue to get the prasadam when suddenly a child fell down and two elderly women tried to protect him but in due course, the stampede broke out.
According to him, the 5-year-old child and two elderly women who tried to protect him died in the incident.
The injured were given treatment at Gopalganj Sadar Hospital.