The court also fined the convict, Shah Alam, 46, a resident of Golachhari village in Rashiknagar union Tk 50,000.
According to the prosecution, Shah Alam used to torture his wife Kohinoor Begum for dowry since their marriage.
On September 7, 2009, Alam set her on fire after pouring kerosene and locked the room from the outside.
Being rescued by locals, Kohinoor was taken to Dighinala Health Complex.
As her condition was critical, she was later sent to Chittagong Medical College Hospital where she died after 23 days on October 1 of the year.
Victim’s brother Alam Miah filed a case against Shah Alam in this regard.
After examining all the records and 14 witnesses, Judge of the Khagrachhari Women and Children Repression Prevention Tribunal Reza Md Alamgir Hasan handed down the verdict.