A Khulna court on Tuesday gave death sentences to four people, including the mother of nine-year old Hashmi, in a case filed over the boy’s murder 11 years ago in Arongghata area of the sadar upazila.
After examining the records and witness accounts, additional metropolitan sessions court Judge Dilruba Sultana handed down the verdict.
The four convicts are the victim's mother Sonia Akter, her lover Md Nurunnabi, and their accomplices Md Rasul and Md Hafizur.
Another man accused in the case, Rabbi Sardar, was acquitted as his guilt could not be proved.
According to the prosecution, Sonia, the daughter of Zahangir Hossain Khan of Maniktala area under Arongghata police station, married Md Hafizur Rahman in 2006.
Sonia gave birth to a boy after a year and half of marriage.
After her husband went abroad, she began an extramarital affair with Nurunnabi.
When Hashmi came to know of the affair, Nurunnabi and his two associates killed the boy in front of his mother and dumped the body in a ditch.
Police recovered the body the following day.
Later, Sonia confessed to her crime in court.
The victim's father filed the murder case on June 9 last year.