Police here in Punjab on Sunday registered a case after a 21-year-old woman alleged that she was gang-raped by three youths in a moving car.Police said the woman told them she was gang-raped by the youths late on Saturday night on the busy Ferozepur road in this industrial city, 120 km from Chandigarh.The woman works in a leading hotel here and hails from Himachal Pradesh. She was admitted to the civil hospital here for treatment and medical examination.The accused have not been identified so far."We received a complaint from the girl that she was gang-raped in a car. We are trying to identify the men," a police officer said.