The Commission also sought the status report in the case stating that they have come to know through a news article that the victim has found the investigation process "unsatisfactory".
"On December 3, the case was registered by the Delhi police".
The accused arrested include the tour guide, driver, cleaner and a hotel staff.
The rape survivor narrated that five people drugged and sexually assaulted her inside her hotel room in Connaught Palace soon after she checked in.
The US national arrived in India recently to join the probe and recorded her statement in front of a judicial magistrate. The arrest came after the victim travelled to India to identify the accused and help the investigators in the case.
In a test identification parade on Tuesday, the U.S. national, who was allegedly gangraped by five men at a five-star hotel in Connaught Place earlier this year, identified three of the four accused.
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As per her complaint, the 30-year-old American tourist was gang-raped at a luxury hotel in first week of April this year.
She had also stated that the accused had made a video of the act and had threatened to make it public if she reported the matter to anyone. The victim left India after the incident and she only started to remember the incident towards the end of July, he said.
She contacted a non-profit organization in the USA who in turn contacted the tour operator and the hotel but did not get any assistance from them.
Swati Malilal said: "Such instances defame India; decreasing the confidence of women in police". The woman filed a complaint after she went to the U.S. through an NGO and later when the Delhi Police contacted her, she filed a complain through an email.
"There is a delay in arrests even as the accused were identified by police in the initial days (after the complaint)".