Protests were staged in several parts of the country, including Mumbai, while a the Opposition also triggered an uproar in the Parliament even as police said they have arrested one of the five suspects.
All five of the suspects have been identified and their sketches have been released, police said following the arrest of Chand Babu Sattat Shaikh alias Mohammed Abdul (19), a resident of south Mumbai who is unemployed.
According to the police, he has named co- accused as Vijay Jadhav, Qasim Bengali, Saleem and Ashfaq.
Mumbai Police said it has formed more than more than 20 teams, including 10 from the elite Crime Branch, have been formed to track down the perpetrators, some of whom are history sheeters, refusing to give further details to prevent a setback.
The victim meanwhile was said to be "composed and stable" and undergoing treatment Jaslok as early medical reports suggested she sustained multiple internal injuries.
Maharashtra Chief Minister Prithviraj Chavan visited the victim in hospital and said stringent action would be taken against the culprits and all of them would be arrested soon.
Celebrities from the film industry and elsewhere united in expressing their anger and demanding the harshest punishment of her attackers at the earliest.
Shah Rukh Khan, Karan Johar, Asha Bhosle, Jaya Bachchan, Anupam Kher, Priyanka Chopra were among others who voiced their anguish over Thursday's attack.
Meanwhile, hundreds of people, including members of several journalists' associations, staged a silent protest in South Mumbai as some wore black armbands, while others carried placards.
The Centre sought a detailed report from Mumbai police on the incident, Minister of State for Home RPN Singh said.
According to the police, the 23-year-old photojournalist and a male colleague, who were interning with a city publication, entered Shakti Mill in Central Mumbai at 6 p.m. on Thursday.
Two of the accused accosted them and accused the interns of trespassing on railway property and on the pretext of taking the two to officials, the accused separated them.
The young man, who had a camera, was hit with a belt and tied up while The photojournalist was dragged behind some trees 15-20 feet away.
The duo called three others and took turns to rape the woman, assaulting her and eventually knocking her unconscious.
The incident brought back the memories of the Dec 16 fatal gangrape in New Delhi.
On Dec 16, six people gangraped and brutalised the 23-year-old Jyoti Sharma with an iron rod on a moving bus in New Delhi. The victim succumbed to her injuries at a Singapore hospital on Dec 29.
The incident triggered nationwide outrage against rising cases of crime against women in India with people pouring into the streets of New Delhi for days and demanding a change of law and strict punishment of the accused.
--IBNS (Posted on 24-08-2013)