Canon India — canon eos 200d dslr - autofocus point in the viewfinder issue

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My canon eos 200d is a new dslr recently purchased, after a month or two o[censored]se the viewfinder on my camera i found is kind of distorted when you see through it, the image is clear but the 9-points of af will display red light spots when we click the trigger button. Earlier the red spots were one spot in each of the 9 squares or points but now this appears like a smug as though the light is diffused in the viewfinder. Please advise.