Mirror problems after building game in unity

Question

Hi I am facing a weird problem in unity when I build a particular scene.

Here is the screenshot of how the mirror looks when I play the game from inside the unity editor:

And here is how it looks once I build this scene and then play it:

The quality settings at Edit->Project Settings->Quality are these:

And the player settings at File->Build Settings->Player Settings are these:

So how do I fix this? What do I need to change or is there any other entity?