Principal Sessions Judge R.Krishnamoorthy on Wednesday awarded life sentence to nine persons who were named in the murder of Krishnan, a farmer at Arumbakkam, in 2006.
Krishnan was done to death by a 14-member gang over previous enmity. Main accused Asokan died during trial. Another accused who was a minor then, was sent to the juvenile home in Cuddalore.
The Judge acquitted three persons and sentenced nine others to undergo life imprisonment.