Police said there are some contradictions in the woman's statement and are verifying it.
The incident occurred on the intervening night of Tuesday-Wednesday when the victim had taken a cab from near Ansal Plaza to go to her residence in Rohini.
While waiting for an auto-rickshaw, the accused cab driver, finding her alone, offered her a lift to Rohini. He drove to Dhaula Kaun from where an associate boarded the car and both began misbehaving with the victim, police said.
"During investigation, we found there are some contradictions in the woman's statement which are being verified. She left her home at 9 pm from Rohini to visit Balaji temple in Rajasthan," said Deputy Commissioner of Police Ishwar Singh on Friday.
"When she reached Sarai Kale Khan around 11 pm, she missed the bus she was supposed to take. After that she hired an auto-rickshaw which dropped her at Ansal Plaza in south Delhi at midnight. Then she took a cab to reach her home in Rohini," he added.
Singh said: "The cab driver picked up one of his aides along the way. When the driver took her through an unknown route, she suspected his move and questioned him. He told the victim that he was taking a short-cut. The cab reached a deserted place in Greater Noida around 1.30 am."
"They threatened the woman with dire consequences and took turns to rape her. They dumped her at the spot at 6 am and escaped," he added.
Singh said the woman, with the help of a passer-by, managed to reach her home on Wednesday afternoon. "Police is trying to ascertain the identity of the accused persons. The sequence of crime and CCTV footage on the traversed route are being examined," he added.
Earlier on Thursday, Additional Deputy Commissioner of Police Chinmoy Biswal said: "They threatened her and forcibly took her to a deserted place in Greater Noida and allegedly took turns to rape her at gun point."
"They raped her for over five hours before dropping her on Wednesday morning near Greater Noida," the police officer said.
The accused took away her gold ornaments, 'mangal sutra', cell phone and Rs 12,000 in cash, Biswal said.
A case has been registered in Hauz Khas police station and investigation is on to identify the cab driver and his associate, he added.
The UAE's Founding Father, appearing in hologram, calls on governments to take the climate summit as an opportunity to 'forsake feuds and build bridges of love and understanding'
The feature is currently available as an update for some beta users
Dominica was one of seven countries in the West Indies selected to stage matches in the showpiece tournament in June
Rajput win hands hosts unassailable 3-1 lead in five-game series after World Cup defeat
Left-arm spinner Taijul Islam claims second 10-wicket haul in Tests to help set up 150-run victory
The five-time Ballon d’Or winner tried everything during the match — but nothing worked
Ahmed Sourani says he will use the grant to support Palestinian women whose small and micro-enterprises have been affected by the Gaza crisis