The investigation in the rape of a 22-year-old man in Mumbai has revealed that the four accused had used the victim's credit card to buy petrol and also withdrew some cash for their personal use.

While three accused -- Piyush Chauhan (23), Mehul Parmar (21), and Asifullah Ansari (24) - were arrested and remanded to police custody by court, the fourth, who is a minor, was sent to children's remand home.

The cops have registered a case under section 377 (unnatural sex), 392 (robbery), 323 (voluntarily causing hurt), 504 (intentionally insult) and 34 (common intensions) of the IPC.

According to Mumbai Police officials, the victim was a regular user of Instagram. On the day of the incident, the victim visited a restaurant in Kurla area of Mumbai and also uploaded a selfie from the restaurant.

About 15 minutes later, two accused approached the victim and told him they are his fans. The four then asked the man to accompany them for a bike ride. After about 20 minutes, the victim asked the accused to stop the bike when he saw realized they were heading towards Vidhyavihar.

The accused, however, took him to a Vidhyavihar station near Neelkanth Business Park and forced him to get into a car. The two pushed victim inside the car and raped him. The victim has told the police that he tried to escape but the accused kept assaulting him.

The accused also took victim's mobile phone, wallet and drove to Mahindra Park area where they bought petrol for the car and also withdrew some cash. The accused later threw the victim off the car.

Speaking to India Today TV, a police officer said, "Based on the CCTV footage and technical skills, we managed to nab all the accused in just 24 hours. We have also seized the vehicles used in the crime. Further investigations are on in the matter."