In her complaint, police said, the victim alleged that the youth hailing from Chandigarh gave her some sedative and took her to Green Valley guest house where he raped her on Saturday night.
In the morning, he left her at the White Guest house where she was lodged and disappeared. The victim did not know the name of the alleged rapist.
Police registered a case of rape under Section 376 of IPC against the accused, who is yet to be named.
Kullu Superintendent of Police Ashok Sharma said a case has already been registered and investigations are in progress.
