Plainclothes policemen escort an Indian teenager (head covered with towel) after he was sentenced at a juvenile court in New Delhi August 31, 2013. The Indian teenager was sentenced to three years in juvenile detention last Saturday for the December gang rape of a trainee physiotherapist, the first verdict in a case that sparked debate over whether India was too soft on young offenders. (REUTERS/Anindito Mukherjee)

Plainclothes policemen escort an Indian teenager (head covered with towel) to a juvenile court in New Delhi August 31, 2013. The Indian teenager was sentenced to three years in juvenile detention on Saturday for the December gang rape of a trainee physiotherapist, the first verdict in a case that sparked debate over whether India was too soft on young offenders. (REUTERS/Stringer)

Police stand guard outside a juvenile court in New Delhi August 31, 2013. An Indian teenager was sentenced to three years in juvenile detention last Saturday for the December gang rape of a trainee physiotherapist, the first verdict in a case that sparked debate over whether India was too soft on young offenders. (REUTERS/Stringer)

Police try to stop demonstrators near the presidential palace during a protest rally in New Delhi December 22, 2012. An Indian court convicted four men Tuesday in the fatal gang rape of a young woman on a moving New Delhi bus, an attack that set off waves of protests and gave voice to years of anger over the treatment of women. (REUTERS/Adnan Abidi)

A demonstrator breaks the windshield of a police vehicle as others shout slogans in front of the India Gate during a protest in New Delhi December 23, 2012. An Indian court convicted four men Tuesday in the fatal gang rape of a young woman on a moving New Delhi bus, an attack that set off waves of protests and gave voice to years of anger over the treatment of women. (REUTERS/Ahmad Masood)

Police detain a demonstrator in front of the India Gate during a protest in New Delhi December 23, 2012. An Indian court convicted four men Tuesday in the fatal gang rape of a young woman on a moving New Delhi bus, an attack that set off waves of protests and gave voice to years of anger over the treatment of women. (REUTERS/Adnan Abidi)

Police climb a wall as they are chased away by demonstrators during a protest rally near the presidential palace in New Delhi December 22, 2012. (REUTERS/Adnan Abidi)

Indian security personnel are hit by a water cannon as they try to disperse demonstrators during a protest in front of India Gate in New Delhi December 23, 2012. (REUTERS/Ahmad Masood)

A demonstrator (C) gestures while being detained by police in front of the India Gate during a protest in New Delhi December 23, 2012. (REUTERS/Mansi Thapliyal)

A police van carrying five men accused of the gang rape and murder of an Indian student leaves a court in New Delhi January 7, 2013. (REUTERS/Adnan Abidi)

A demonstrator lies beneath a bus, carrying her fellow protesters after they were detained by police, to stop it from moving in front of the India Gate during a protest in New Delhi December 23, 2012. (REUTERS/Mansi Thapliyal)

Unidentified women console the wife (C) of Subhash Tomar, a policeman, during his funeral in New Delhi December 25, 2012. Tomar on Tuesday died in a hospital after he was injured during a protest over a gang rape in New Delhi, local media reported. (REUTERS/Adnan Abidi)

A protester with a gag tied around her mouth takes part in a silent protest for a gang rape victim in New Delhi December 29, 2012. (REUTERS/Adnan Abidi)

Schoolgirls pray to pay homage to a rape victim who was assaulted in New Delhi, at a school in the western Indian city of Ahmedabad December 29, 2012. (REUTERS/Amit Dave)

Champa Devi, the mother of Vinay Sharma, a man who police said is one of the accused in a Delhi gang rape case, has her face covered as she poses inside her home in Ravidas camp, the slum where four of the six accused in the rape case reside, in New Delhi January 10, 2013. (REUTERS/Mansi Thapliyal)

A demonstrator shouts at police officers as she takes part in a demonstration to mourn the death of a rape victim who was assaulted in New Delhi, in Mumbai December 29, 2012. An Indian court convicted four men Tuesday in the fatal gang rape of a young woman on a moving New Delhi bus, an attack that set off waves of protests and gave voice to years of anger over the treatment of women. (REUTERS/Vivek Prakash)

Police stand guard outside the residence of the rape victim after her body arrived from Singapore, in New Delhi December 30, 2012. (REUTERS/Adnan Abidi)

Demonstrators try to pull away a police barricade during a protest in New Delhi December 30, 2012. An Indian court convicted four men Tuesday in the fatal gang rape of a young woman on a moving New Delhi bus, an attack that set off waves of protests and gave voice to years of anger over the treatment of women. (REUTERS/Ahmad Masood)

A policeman keeps guard outside a court in New Delhi January 7, 2013. An Indian court convicted four men Tuesday in the fatal gang rape of a young woman on a moving New Delhi bus, an attack that set off waves of protests and gave voice to years of anger over the treatment of women. (REUTERS/Adnan Abidi)

Manohar Lal Sharma (C), lawyer of one of the accused Mukesh Singh, speaks with the media outside a district court in New Delhi January 10, 2013. (REUTERS/Adnan Abidi)

Ravidas camp, the slum where four of the six accused by police in the Delhi gang rape case, reside, is pictured in New Delhi January 10, 2013. (REUTERS/Mansi Thapliyal)

A demonstrator holds a placard during a protest outside a court in New Delhi January 21, 2013. (REUTERS/Adnan Abidi)