Police recovered the body of a Dhaka University (DU) student from his village house in Galachipa upazila of Patuakhali district yesterday.
His body was found hanging from a mango tree.
The deceased is Soumik Mitra Sabuj, 22, said Akhter Morshed, officer-in-charge (OC) of Galachipa Police Station.
The body was sent to Patuakhali General Hospital's morgue for an autopsy, the OC said.
"We are looking into the matter," he added.
The OC said an unnatural death case was filed in this connection.
Jhantu Devnath, Sabuj's brother-in-law, said Sabuj went to sleep after dinner. Early yesterday, Sabitri, Sabuj's sister, found his body hanging from the tree.
As Sabuj did not do well in his mid-term exams, he was upset, said Jhantu.
Sabuj was a good student. He stood second in the first-year exams, he added. "No one thought he would do badly in the second-year exams," he added.
Md Sazzad Hossain, local union parishad chairman, said Sabuj was a good student and they were proud of his success.