The 20-year-old was raped Monday near Virudhachalam town, around 230 km from here. The incident came to light on Tuesday evening after she lodged a complaint.
"Six people have been remanded and we are on the lookout for the remaining four," a police official in Virudhachalam told IANS.
The 10 accused attacked and gang-raped the victim when she was talking to a male relative, police said. Her relative was tied up before the sexual assault.
After the incident, she reached a bus stand from where a passersby took her to a hospital, police said.
Chief Minister J. Jayalalithaa has called for deterrent laws and cutting short the period of investigation in rape cases.
Speaking here Wednesday over a gang-rape in Delhi, Jayalalithaa said: "It is a shocking crime. There is no doubt that deterrent laws should be put in place and the period of investigation should be shortened so that justice is meted out swifty."