Rohit and Roshan, in their mid-20s, who live in a village in this Haryana district, had been arrested in this connection, they said.
The 15-year-old girl had been rescued, police said adding her medical examination confirmed she was sexually assaulted.
Rohit and Roshan, who are migrant workers, live in a rented accommodation in Maheshwari village near Dharuhera here, police said.
They enticed the girl and took her to a colony in Delhi, kept her in illegal confinement and allegedly raped her repeatedly, police said.