Story highlights An American tourist alleges she was drugged, raped in New Delhi in April

Main suspect works for a tour company, says police official

New Delhi (CNN) India's police say they are seriously investigating allegations that an American woman was drugged and raped by a group of men in her five-star hotel room in the country's capital earlier this year.

The alleged incident took place on April 9 when an American woman in her early thirties was in New Delhi as part of a tour group.

"She says she was given something to drink that was spiked," said police spokesman, Dependra Pathak, in a telephone interview with CNN. "When she gained consciousness, she knew she had been violated."

New Delhi has an ugly reputation when it comes to the safety of women.

According to the National Crime Records Bureau , the capital has a rate of reported rapes that is four times higher than the national average.

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