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Kisan Baburao Hazare, also known as Anna Hazare, is an Indian social activist and anti-corruption crusader. He is best known for his role in leading the anti-corruption movement in India in 2011. Hazare has been a vocal critic of corruption in India for many years, and has led several protests and campaigns against it. He is also a proponent of the idea of "Lokpal", an independent anti-corruption ombudsman.