According to sources, the incident took place on Wednesday night because the boy wore a watch to school on Monday.
According to police reports, 16-year-old Ramesh, son of Paramjothi of Thiruvalluvar colony in Thiruthangal in Virudhunagar district, was a plus one student at the Government Boys Higher Secondary School in Thiruthangal.
His seniors allegedly questioned him when they found him wearing a watch. They removed it from his wrist and threw it away. The boy fought with the seniors over the issue, and tension prevailed on the school premises, reported media.
Two days later, on Wednesday night, the boy was walking near the Thiruthangal railway station when a gang of about 15 boys, who are said to be his seniors, waylaid him. They allegedly cut his wrists with knives.
The boy managed to escape from them and got first aid at a private hospital. He was later admitted to Sivakasi Government Hospital.
The case has been registered in the Thiruthangal police station and investigation is on.