Police identified the victim as Fahim Rafi, 20, a second-year undergraduate student of economics at the private university.
His father Md Maniruzzaman, a resident of South Basabo, is a general manager of state-owned mobile phone operator Teletalk.
The doctor who attended to him declared him brought dead at Dhaka Medical College Hospital on Friday night, Sub-Inspector Bachchu Mia at the hospital’s police camp said.
Fahim cut his lip after falling inside a bus at Hatirjheel, Khilgaon Police Station OC Moshiur Rahman told bdnews24.com.
He was first taken to Khidmah Hospital in Khilgain and then to the DMCH, the OC said.
Quoting a doctor, the police officer said the student died from brain haemorrhage.
He left home in the evening, his family told the police.