If there's one thing that gets our heart racing, it's a call from an unknown number. More often than not, the call is usually from an annoying telemarketer, but can we really deny the fact that for a second, we believe it to be 'the call' that will change our lives?

Something very similar happened to Nawazuddin Siddiqui when he got a call from an unknown number because he thought it was just another spam caller. But as it turns out, that call changed his life for good. Here's his real story...

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