Pramod Yadav (22), who worked as a cook at a guest house of a private company, raped the girl when she had gone to relieve herself in the open, yesterday, they said.
The girl was admitted to the government hospital, police said.
Yadav was produced in a local court which sent him in judicial custody today, police said.
According to police, Yadav was acquainted with the parents of the girl who work as labourers.