Im unable to switch off my i phone also not able to do calls and received any calls

Hi Yashsolanki1995,

Welcome to Apple Support Communities. We understand that you're having an issue with your iPhone. Sounds like you are experiencing two different issues. We'd like to help.

You mentioned that you're unable to switch off your iPhone. Is the display unresponsive? Have you tried to force restart your iPhone? If not, this can help: If your iPhone won't turn on or is frozen

Then, you mentioned that you can't make or receive calls. What happens when you try? Are you seeing No Service or Searching on your Menu bar? These resources should help with this issue:

If you can't make or receive calls on your iPhone

If you see No Service or Searching on your iPhone or iPad

Let us know if these tips help.

Take care!