The girl, a call-centre employee, was allegedly gangraped by the three accused, identified as Dinesh, Navin and Satyadev at a flat in Sector 46 here, they said.
According to police, the girl was walking down to her home last night after attending a friend's birthday party when one of the accused, Dinesh offered to drop her home on his motorcycle.
As he was known to her, she accepted the offer. The accused took her to a flat in Sector 46 where he was joined by two others.
They offered her a drink laced with sedatives and after she fell uncounscious the three took turns to rape her, police said, adding that all the accused fled after committing the crime. An FIR was registered against the three accused after the girl filed a complaint with the police.
A medical examination of the girl has confirmed rape, said Joint Commissioner of Police Maheshwer Dayal.
On the basis of information provided by the girl, the police arrested Dinesh and Navin, both residents of village Jharsa, and Satyadev, a resident of Faridabad.
Satyadev is married and has two children while the other two accused are bachelors, the JC said.