I am PCB student, and I am interested in VFX, games and all. Can someone guide me? I am not at all interested in the medical field.

These days there are a lot of freely available resources to get you started. I think what you could start with is a bit of reading since VFX is such a wide field and identify what interests you most. Otherwise, you could start with learning 3D modelling and texturing, rigging and animation, effects,