A case has been registered in the regard and the police are probing the matter.
The police team interrogated five sweepers working at the school. However, the name of the accused could not be known.
The police team also examined whether there were CCTV cameras near the toilet, but could not get any camera around the bathroom.
The outraged parents staged a protest outside the school following the incident. Heavy police force has been deployed at the school.
The weeping girl came out of the bathroom and narrated the entire ordeal to her teacher but the school did not take any action.
The incident has happened when the Haryana Government has claimed to have implemented several rules for students' safety in different schools after the murder of a seven-year-old child in Ryan School of Gurugram.