Custom shader gives bluish shine

Unity Engine
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1

I really need help with this. For some reasons my custom shader gives me this weird bluish shine, which I do not want to see. Looks like it is somehow related to normal maps, but I have no idea how and what to do. I’m really new to Unity, so I hope, it is something fairly obvious
Please, I need your help guys

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6443045--721184--upload_2020-10-22_1-44-17.png
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2

Ok, so, LOOKS LIKE (not sure) I figured it out. “Two side” - is the thing, causing it. I led to believe, that “Two sided” calculates normals and smoothness some sort of reverence. So yeah, if you encounter something like this - turn it off