Police recovered the decomposed body of a young man from Gopalnagar village in Debidwar upazila on Saturday afternoon.
The deceased was identified as Suman Miah, 40, son of Dr Sayed Ali, a resident of Baira village in Muradnagar upazila, UNB reports.
Local people spotted the body floating on a canal in the afternoon and informed police, said sub-inspector M Ataur Rahman of Debidwar Police Station.
Later, family members identified the body, the SI said.
M Mizanur Rahman, officer-in-charge of Debidwar Police Station, said the reason behind the unnatural death of Suman is yet to be known.