India faced the worst days in history when Polio attacked and many were not even able to know what's happening to them and what's the reason behind their position. People started killing themselves at beginning imagining that it's a punishment from God for their past life's mistakes.  But as Education and science grew up in India many started experiments on this disease and finally found a cure for this deadly disease. After struggling many cases finally Polio medicine reached common man for free. Every year Government took more interest in spreading this Polio vaccine and finally UNICEF announced that it's been 3 years since last Polio case is registered in India, And hopes it will never return back.  

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