Dinesh Valavan (31), L Mugilan (26) and B Nandakumar (26) were drinking in Papanasam, where A Vignesh alias Vigneshwaran (24) was also drinking with his friends at the same location.

An altercation broke out, and Mugilan and Nandakumar caught Vignesh helping Dinesh stab him repeatedly. His friends also sustained severe injuries. The trio was arrested, and a case was in progress.

On Monday, Judge Radhika awarded life imprisonment to Dinesh and Nandakumar and a double life term to Mugilan and a fine of Rs 5,000 each.