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Buses in India will be fitted with panic button alarms in an effort to protect women from sexual violence on public transport.
The buttons will be placed above the front doors and, when pressed, send an emergency alert to the control room at a local police station.
New vehicles will also be equipped with GPS tracking devices and CCTV cameras, allowing officers to observe incidents happening in real time.
India transport minister Nitin Gadkari announced that the new safety measures will be installed on all vehicles by law from June 2 onwards.
Twenty buses now have alarms in the state of Rajasthan in the north of the country, leading the way before the measures are rolled out across the entire country.
All buses currently in circulation will have to be remodelled in the same way.
Gadkari said: "To ensure the safety of women after the unfortunate incident, we have decided to make it mandatory for public transport buses to install emergency panic buttons, CCTV cameras and GPS-enabled vehicle tracking devices."
The brutal gang-rape and disbowelment of a 23-year-old student on a New Dehli bus in December 2012 was the ‘unfortunate incident’ to which Gadkari was referring.
The horrific attack sent shockwaves across India and the subsequent widespread protests against the government were reported around the world.
Vigils were held in honour of the victim and the national authorities agreed to take legislative action to help prevent future attacks.
India protests against sexual violenceShow all 20 1 /20India protests against sexual violence India protests against sexual violence April 2015 School girls wear black bands on their faces during a protest rally against the rape case of a 16-year-old girl at Dhupguri town in the eastern Indian state of West Bengal
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India protests against sexual violence March 2015 Students of Convent of Jesus and Mary School participate in a protest against the alleged gang rape of a nun in her 70s
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India protests against sexual violence March 2015 Official figures for the number of women raped in India are often disputed by Women's Rights experts who claim the numbers are far higher
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India protests against sexual violence March 2015 Women protest after the horrific rape and murder of Jyoti Singh in India
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India protests against sexual violence June 2014 Women in India protest against rape and other attacks on women and girls in the country
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India protests against sexual violence June 2014 Indian activists from the Social Unity Center of India (SUCI) shout slogans against the state government in protest against the gang rape and murder of two girls in the district of Badaun in the northern state of Uttar Pradesh and recent rapes in the eastern state of West Bengal, in Kolkata
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India protests against sexual violence June 2014 Supporters of Bharatiya Janata Party (BJP) were protesting against the rape and hanging of two girls
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India protests against sexual violence May 2014 Members of Jawaharlal Nehru University Students Union shout slogans during a protest against a gang rape of two teenage girls in Katra village, outside the Uttar Pradesh state house, in New Delhi. A top government official said the northern Uttar Pradesh state has sacked two police officers who failed to respond to a complaint by the father of the two teenage girls who went missing and were later found gang raped and killed. The placard at right reads, "Punish the culprits of gang-rape and murder of two Dalit girls"
AP Photo/Manish Swarup
India protests against sexual violence January 2014 Student protesters outside a Suri hospital where a rape victim is being treated
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India protests against sexual violence January 2014 West Bengal Women's Forum activists walk a protest rally against a rape case in Calcutta, eastern India. A young girl was gang-raped on October 25 and afterwards repeatedly threatened by the accused, following which the disturbed girl set herself on fire December 23. She was admitted to the hospital with 40 percent burns and finally succumbed to her burn injuries on 31 December
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India protests against sexual violence August 2013 Republican Party of India supporters protest in Mumbai against the rape of a female photographer
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India protests against sexual violence May 2013 Indian demonstrators shout slogans at the police during a protest calling for better safety for women
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India protests against sexual violence April 2013 An Indian woman holds a poster as she protests with others against how Indian authorities handle sex crimes near the Parliament in New Delhi, after a second suspect was arrested in the rape of a 5-year-old girl. Child rights activists say the rape of the girl is just the latest case in which Indian police failed to take urgent action on a report of a missing child. Three days after the attack, the girl was found alone in locked room in the same New Delhi building where her family lives
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India protests against sexual violence March 2013 Indians protests against all-too-common gang-rapes in their country
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India protests against sexual violence January 2013 Indian students of various organisations hold placards as they shout slogans during a demonstration in Hyderabad
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India protests against sexual violence January 2013 A protester chants slogans as she braces herself against the spray fired from police water canons during a protest against the Indian government's reaction to recent rape incidents in India, in front of India Gate on December 23, 2012 in New Delhi
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India protests against sexual violence January 2013 Indian children paint messages during a gathering to mourn the death of the 23-year old rape victim. Her statement was used in the trial
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India protests against sexual violence January 2013 Indians hold a candlelight vigil in Delhi in memory of a gang-rape victim. Five men have been charged with murder
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India protests against sexual violence December 2012 Indian protesters are escorted by police as they demonstrate against the brutal gang-rape of a woman
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India protests against sexual violence December 2012 Indian protesters destroy a police van during a violent demonstration near the India Gate against a gang rape and brutal beating of a 23-year-old student on a bus
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In March, a 28-year-old mother was raped on a bus in Utter Pradesh by two men in front of her daughter.
Last month the government announced that all mobile phones purchased in India must have panic buttons built in by the start of 2017.
The button would allow users to call emergency services by pressing a single key on their phone.
However extreme violence against women in India continues unabated, and three men were held by police in early May over the brutal rape and murder of a young law student in Perumbavoor.
Hundreds of human rights advocates launched a protest following the latest case, in an effort to pressure the government to tighten up the legal protection of sexual assault victims.
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