How can Non-Muslims know that the Quran is sent by God? (Urdu|Hindi Verison)

How can Non-Muslims know that the Quran is sent by God? (Urdu|Hindi Verison)
How can Non-Muslims know that the Quran is sent by God? (Urdu|Hindi Verison)
How can Non-Muslims know that the Quran is sent by God? (Urdu|Hindi Verison)

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