Police arrested four persons for the alleged sexual assault of a woman at a party in a resort in Rajarhat on the eastern outskirts of the city, a police official said on Saturday.
The alleged incident took place on the night of November 9 and the four were apprehended on Friday after specific complaints by the victim.
The woman complained at Rajarhat police station that she was sexually assaulted by four men on November 9 night when she visited a villa of the resort where a party was on. She had gone there with a friend and had stayed there till about 10pm. She complained of sexual assault by four men there, the official told reporters.
Rajarhat is near the IT hub of the city.
"Following the complaint, senior police officials carried out raids through the night and arrested the four men," he said. The woman had claimed that she was drugged before the assault.
"A detailed investigation into the incident is on," the official added.