A girl holds a placard as she takes part in a protest rally in the southern Indian city of Hyderabad December 29, 2012. A woman whose gang rape sparked protests and a national debate about violence against women in India died of her injuries on Saturday, prompting a security lockdown in New Delhi and an acknowledgement from India's prime minister that social change is needed. REUTERS/Krishnendu Halder (INDIA - Tags: CRIME LAW CIVIL UNREST)