Very harsh shading part of the model I am getting strange hard shading on a part of my model with point light on current specific position in material mode (Blender internal). I've tried recalculating normals, also they are all pointing in right direction. Can anyone notice a problem in my topology which could cause such harsh shading from one point forward? I would be really grateful for any clues.

Model file
There is nothing wrong. Also consider switching to EEVEE or Cycles with a denoiser like Intel Open Image Denoiser, Optix Denoiser or internal one.

This you can get by tweaking some values:

Materiel view

Render