The three accused nabbed today were Habib (19) and two minors, police said.
Police had yesterday arrested Fayyaz Ahmed Khan, Saroj Khan and Naushad Khan, all in their twenties, and booked them under section 354 (molestation) of the Indian Penal Code.
On Monday, the girl was allegedly groped and almost stripped by a group of a dozen young men near Hindustan Naka in Kandivali in broad daylight.
According to the girl, she and her friend had come from Bandra to Hindustan Naka in an auto. While getting off, they realized that they did not have enough cash to pay the fare.
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"The victim's friend, whose relative stays nearby, went to the house to borrow some cash while the victim waited in the rickshaw," said a police officer.
However, when her friend did not return for quite some time, she wanted to go out and check on her, but the rickshaw driver insisted on payment right then. "The girl handed over her mobile phone as security, but the driver started arguing with her loudly," the officer said.
She ran to a nearby restaurant, but the management drove her out. She later also tried to enter another autorickshaw, but was dragged out by the accused, police said.
Her ordeal ended when some motorists stopped and rescued her by driving off the men. A beat marshal constable also reached the spot and took one of the youths into custody.
Initially, the girl was reluctant to lodge the complaint but was convinced by police.