The deceased identified as Brajabandhu Acharya, his wife Pratibha and son Biswajit and their bodies were found hanging in the garage of the Vani Vihar campus, police said.
Brajabandhu was working as a laboratory attendant in the department of statistics in Utkal University.
The bodies have been sent for post mortem but the reason for these deaths was yet to ascertain, Commissioner of Police R P Sharma said.
"Prelimnary investigation indicate it as a case of suicide. But, the exact cause of the death could be ascertained only after getting post mortem reports," Sharma said.