In the lawsuit, the woman, who resides in Delhi and was not named, called Uber the "modern day equivalent of electronic hitchhiking."  "Buyer beware - we all know how those horror movies end," the suit stated.

In a statement, Uber did not directly address the lawsuit but said it is cooperating fully with the authorities to ensure the perpetrator is brought to justice. "Our deepest sympathies remain with the victim of this horrific crime," the company said.

India is Uber's largest market outside the United States by the number of cities covered, and the country's radio taxi market is estimated to be worth USD 6 billion to USD 9 billion. The rape allegation triggered protests and reignited a debate about the safety of women in Asia's third-largest economy, especially in New Delhi, which has been dubbed India's rape capital.

India banned Uber in New Delhi last month following the allegations and arrest of the driver. But the company restarted services there last week and applied for a radio taxi license.

The San Francisco-based company said it would not take any commission from its drivers in New Delhi until uncertainty over how it can operate in the country's capital city is cleared up.

The woman, who reported being raped and beaten in early December after hailing a ride with the Uber driver, asks for an overhaul of Uber's safety practices, including localized 24-hour customer-support centers and in-car video cameras.

She is also seeking unspecified damages from the U.S.-based company. Her attorney, Douglas Wigdor, has represented high-profile plaintiffs, including a hotel maid who accused former International Monetary Fund chief Dominique Strauss-Kahn of sexual assault.   

Uber, valued at USD 40 billion last month, said last week it would introduce additional safety measures including more stringent driver checks and an in-app emergency button. The Delhi case is one of several around the world, including one earlier this month in Chicago, in which passengers have accused their drivers of assault.

The case in US District Court, Northern District of California is Doe vs. Uber Technologies Inc, 15-424.

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