A teacher was thrashed by a group of male students and their guardians after he reprimanded them after they allegedly misbehaved with girls at a college in Soraon area on Tuesday, police said. According to police, the accused students misbehaved with some girls during a health check-up camp at premises of Aadarsh Janta Inter College in Shashtri Nagar area . They thrashed the teacher after he raised an objection and reprimanded them for their actions. The unruly students also ransacked the school, he said.