A demonstrator throws back a tear gas shell fired by police during a protest calling for better safety for women following the rape of a student last week, near presidential palace at Vijay Chowk in New Delhi on December 22, 2012. Police in India's capital used tear gas and water cannons Saturday to push back thousands of people who tried to march to the presidential mansion to protest the recent gang rape and brutal beating of a 23-year-old student on a moving bus. Presidential Palace is seen in the backdrop. Photo Credit: Indian Photo Agency