I'm going to deny physical affection to my mom
Have you told her about this?
I did talk to her about it but still she tries to do it
It is understandable to be upset with your parents when they don't listen but withholding affection won't fix the problem. It is better to talk to them more.
I can't talk to my mom anymore. She doesn't listen to me.
I think you should keep trying to talk to her about what you're feeling. I'm sure once she realizes that there's a problem she'll begin to listen.