On November 15, the woman approached K N Katju police station with a complaint alleging that she had been raped the night before.
She told police that around midnight, she took a taxi from near Ansal Plaza to go to her home in Rohini.
The taxi driver allowed another person to board the taxi and soon, they started misbehaving with her, the police said.
The duo threatened her and took her to Greater Noida where they raped her.
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She managed to reach home and informed her family and subsequently a complaint was lodged with police.
Since the woman boarded the taxi from Ansal Plaza, which falls under the jurisdiction of Hauz Khas police station, a case was registered there.
A probe in on, said an officer.