Judge Zulfiker Ali Khan of Chandpur Distrcit and Sessions Judge Court also fined convict Shafiqur Rahman, 35, son of Sahaz Uddin of the village, with Tk 10,000.
According to the prosecution, Shafiqur indiscriminately stabbed his elderly mother after being refused to give him money at night on September 6, 2015, leaving her dead on the spot.
Shafikur had been at loggerheads with his mother Alimunnesa, 60, for long time as his mother refused to give him money for going abroad by selling her land.
Later, police arrested Shafikur after Sahaz Uddin filed case with Faridganj Police Station.
The investigating officer of the case Sub-inspector Humayun Kabir submitted the charge-sheet accusing Shafikur.
Public prosecutor of case Aman Ullah said the court handed down the verdict after taking evidences from 11 witnesses.