With this sixth people, including the husband, have been arrested in the case and search is on for another person.
The trio had to take cover among migrant labourers along the UP-Rajasthan border after being allegedly sold and raped.
The woman escaped from the place and ran to the road where she sought the help of two youths, who were travelling in a car. They dropped her to safety and informed the police.
The victim, aged less than two years, is the granddaughter of the accused man's friend, they said.
The woman in her early thirties has alleged that she was raped by the IAS officer while he was Janjgir-Champa collector in his office about a month ago.
The victim, 30, who is associated with an NGO, stated that she was called by the collector on the pretext of offering some works to the organisation and raped her at the collectorate premises.
Statement of victim recorded before court in rape case against Shantikunj Haridwar chief Pranav Pandya
AP Singh, the senior advocate representing the victim, alleged lapses in investigation and said that sections of the POCSO Act will be added in case against Pandya.
DSP Tandur, Laxminarayana, said a case under charges of rape and POCSO has been registered and the investigation is on.
On Tuesday, a nurse complained to the Shadnagar police, that her friend tried to rape her, along with his friends.
The girl left for her native village at the onset of the coronavirus lockdown after which the accused men shared her objectionable videos on WhatsApp groups.
The deceased identified as Palani, 42, was one of the five convicts who were sentenced to life terms in the case that sent shock waves across the country.
In the complaint, the victim stated that she had been friends with the accused, a person named Bhanu, for the past two years.
As per the petition, the victim was raped by her father while she was staying at her aunt's home in neighbouring Thane district.
We are waiting for the girl to show signs of recovery as her communication is emerging from her hazy memories, Bilaspur SP said.
The four suspects, aged 19-21, took the minor to a nearby forested area on May 17 and allegedly raped the victim.