The convicts are identified as Rabiul Islam, son of Mohiuddin Mia, Golam Sarwar alias Saru, 45, son of Joynal Abedin and Anisuzzaman alias Anis, 57, son of Rabiul Islam of Kulbaria village in Jhenaidah district. Of them, Rabiul tried in absentia.
The court also fined them Tk 50,000 each, in default, to suffer one year more in rigorous imprisonment.
According to the prosecution, police recovered the body of an unidentified man from a water body near Kushtia-Jhenaidah highway at Shantidanga in Kushtia on October 15, 2015.
A case was filed in this connection with Islamic University Police Station.
After investigation, police came to know that Habil Bepary, a peanut trader of Jamalpur district, was strangulated to death by the convicts over previous enmity.
Police submitted chargesheet against three people on April 27, 2017.
After examining records and witnesses, Kushtia District and Session Judge Arup Kumar Goswami handed down the verdict.