The latest case, in the Patiala region in the Punjab, has again shone the spotlight on the police's handling of sex crimes.
Gang-Raped Indian Teenager Kills Herself
India to name and shame rapists on official websites, govt says
The announcement came a day after the government said it had launched a judicial probe into the attack on the 23-year-old student who was dramatically airlifted to Singapore from a hospital in New Delhi late on Wednesday.
Doctors in Singapore were battling on Thursday to save her life following the horrific injuries she sustained.
Her drunken attackers, joyriding in a bus, raped the student and then assaulted her with an iron bar. The savage gang rape sparked some of New Delhi's largest mass protests in decades.
India to name and shame rapists on official websites, govt says - The Times of India