I'm in the second year of my PhD about to pass (hopefully) into 3rd year. I have had barely any supervision and so have had to learn fast to be an independent researcher, which I guess is the point of a PhD. However the lack of input from my supervisor, his sometimes stand-offish demeanor and failure to respond to emails (particularly when I ask him to comment on my progress) have left me in a permanent state of anxiety that I am going to get kicked off the program. Is this just paranoia? What is the procedure when a student is asked to leave the program? Would there be a warning/meeting/chance to improve? Or would I just be told to go?

If anyone could shed light on this or have had similar experiences then please do comment before I go out of my mind!

Thanks