The victim was identified as Mohammed Raju miah, 30, and the injured Md Arif, 35.
Quoting witnesses, police said the accident took place around 1:30pm when the motorcycle heading towards Dhaka from Chattragram, was hit by a passenger bus from behind.
Arif, who was driving the motorcycle, and pillion rider Raju fell on the ground. The bus also ran over them.
Both of them were rushed to Dhaka Medical College Hospital were Raju was pronounced dead. Arif is undergoing treatment at the hospital.
Arif told reporters at the hospital that he and his friend Raju were going to Agargaon Taltola from Chittagong road when the accident took place.
Assistant Sub-Inspector Abdul Khan of the DMCH police camp said the body was kept at the morgue for autopsy.