The girl, who had gone to a multiplex at Sector-V to meet a friend, was waiting on the road for transport when a man approached her and asked her if she was looking for someone. The girl then asked for direction to an address, police said.
Soon after, the man then called up someone and before long an SUV emerged with three to four persons on board. As the girl got into the car, her co-passengers soon began 'assaulting' her. They allegedly raped her by taking turns in the moving vehicle.
An FIR was lodged with the Electronic Complex Police Station under Salt Lake Sector-V against four to five unknown persons on the basis of her statement given to the police alleging gang-rape.
The DC, DD, Bidhannagar Police Commissionerate, Kankar Prasad Barui said they have received the complaint and an investigation is on.
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The police officer said Kader had fled to Mumbai the day
"Kader had straightaway moved to Mumbai and thereafter to Bihar and then to relatives in several places and cities in different states. He used to move in trains on general tickets... He had zero public life," the officer elaborated, adding that the accused has a very big family and relatives staying in almost every state of north India.
The duo (Kader and Ali) had been staying at their relatives' places in different cities for the past four years but never at one place for more than 10-15 days. "This was the reason why they had managed to hide for such a long time after the incident," he said.
In fact the duo did not use any mobile phones and were also not active on any social network and therefore remained untraced.
"He (Kader) also had no direct contact with his family," the officer said, adding the man, who is in his mid-30s, had grown a beard to change his looks and was yet unmarried.
Ali was, however, married with two children, he said.
A few days after the incident the victim had filed her complaint but West Bengal Chief Minister Mamata Banerjee had termed it as a "fabricated" case triggering a controversy.
Three of the five accused were arrested while two including prime accused Kader Khan absconded.
Nine months after the victim died of meningitis in March 2015, the city sessions court had convicted the accused - Ruman Khan, Naser Khan and Sumit Bajaj - and sentenced them to 10 years rigorous imprisonment.