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YSR stands for Yuvajana Sramika Rythu Congress Party, a regional political party in the Indian state of Andhra Pradesh. It was founded in 2009 by Y. S. Jaganmohan Reddy, the son of former Chief Minister of Andhra Pradesh Y. S. Rajasekhara Reddy. The party's main focus is on the welfare of the youth, workers, and farmers, and it has a strong presence in the rural areas of the state.