Kishoreganj Additional District and Session Judge Mohammad Abdur Rahim also fined them Tk 2 lakh each.
According to the prosecution, Sumona called Nobi Hossain to her rented house on December 21, 2014, where the convicts slaughtered Nobi and cut him into six pieces.
They, later, hid the pieces in different places of Bhoirb upazila in the district.
The next day, the victim’s wife Bilkis Begum filed a murder case with the Bhairab Police Station.
Investigation officer SI Md Nazrul Islam of CID submitted chargesheet on January 21, 2016, against four persons.
Two other accused were acquitted as their guilt was not proved while Sumona was tried in absentia.
