Dushera is a great hindu festival. This day shows victory over evil. On that day Lord Ram kill Giant Rawan who was very strongest giant king of Lanka city & no body was able to kill him. He kidnapped Lord Ram's wife named Sita. Lord Ram warned him alot but he didn't understand. Finally Lord Ram kill him. That's y on that day people making statue of rawan with full of crackle & firing it. Full story you can find on Google.
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