Why it takes 3-4 seconds to capture an image with LiveView ON

When ever LiveView is used , Nikon D5300 takes 3 - 4 seconds to capture the image and return back to LiveView. This started recently and it is annoying as the subject would move with in that 3-4 seconds, but the same image capture process takes less than a second when LiveView is not used. Is there a way to solve this?

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I tested few scenarios and identified that this delay occurs only when I use LiveView. The delay is not related to autofocus rather thsi is related to capturing the image and returning back to liveview. I have updated the question accordingly.

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