"We are calling on the Indian government to endorse the declaration to end the campaign to stop rape and gender violence and conflict," Liz Bernstein, founding Director, Nobel Women's Initiative, of which Williams and Ebadi are members said here late last evening.
The initiative, which supports women's movements across the world, is currently spearheading an international campaign to 'Stop Rape and Gender Violence in Conflict'.
"A couple of years ago we got together to begin a campaign to deal with gender violence and conflict. Conflict being a bigger word than just war," Williams said.
Bernstein said the campaign presently has support from 80 countries and is "making governments sit up and take notice."
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"The campaign is focused on three elements -- Preventing sexual violence and conflict, protecting women and survivors and communities and prosecuting those responsible," Bernstein said.
Among the "decisive steps" that the laureates have urged the government to take includes an endorsement of a G8-backed declaration of commitment to end sexual violence in conflict.
She urged supporters to sign an open letter addressed to External Affairs Minister Sushma Swaraj seeking her to "take leadership to end sexual violence in conflict."
"I urge you to endorse the declaration and join the global movement to provide support for sexual violence survivors and end the use of rape as a weapon of war," reads the letter.