The girl has lodged a complaint with police that she was alone at her home last evening after her mother and sister had left for Gurudwara when Ranjit Singh alias Rana (21) entered the house and raped her.
Her physically challenged brother, who was there, scuffled with the accused and she raised an alarm, but he fled from the spot, police said.
After the medical examination of the girl confirmed rape,a case was registered.
The accused was arrested today, they added.
PTI