According to police, the incident took place around 2.30 am inside a lottery shop named 'Harsha Enterprises' located in Pestom Sagar Colony in Chembur.
The lottery shop, which was opened on Monday, is owned by underworld gangster Chhota Rajan's associate Vimal Rattesar, they said adding that one Rajesh Rajusth is the caretaker of the shop.
The alleged crime came to light after a rickshaw driver, who dropped a customer at a building located opposite the lottery shop early in this morning, informed the police.
A police van, which was on the night patrol in the area, rushed to the shop and caught all the six accused from the spot, he said.
During the course of investigation, police found that Rajusth had thrown a party late last night for his bodyguards and other people working for him to celebrate the launch of the lottery shop.
The arrested accused had also brought liquor and made the minor victim consume alcohol and asked her to dance on some film numbers before sexually assaulting her, police said.
Rajusth, along with his bodyguard Vinod was also present inside the shop till 1.30 am and police suspect their involvement in the crime. "Police are on the lookout for Rajusth and his bodyguard Vinod," Sonavane said.
The victim has been admitted to Rajawadi hospital in Ghatkopar East and the accused were arrested under relevant sections of the IPC and Protection of Children from Sexual Offences (POSCO) Act.
Further investigation in the case on, police said.
