The girl was raped by the accused on April 9 when she was alone at her relative's house in Karpalayam village.
On a complaint, police registered a rape case and arrested Sivakumar (20) Manikandan (25) and two juveniles yesterday, police said.
The two adults were produced before a court and remanded to judicial custody while the others were lodged in the Juvenile Home here after being produced before the Juvenile court today.