The 38-year-old woman who runs a pathological laboratory at Asansol in partnership with a doctor was picked up by the group of men at Piyala Kalibari last night, the police said.
"The gang beat up her husband who works in a nationalised bank and allegedly raped her," AD CP (Durgapur) Sunil Yadav.
She lodged a complaint with the police last night and underwent medical tests but no evidence of gangrape has been established yet, Yadav said.
Another confirmatory test would be carried out at Burdwan Medical College and Hospital again, he said.
The husband of the woman has been held for questioning. The woman was her second wife, the police said.
Nobody has been arrested yet, Yadav said.