Yes.
Yes, the police can trace a deleted account. The cyber security cell can trace older accounts too. They have advanced features to trace back accounts.
There is not a way to trace a call. Only the police officer can trace a call.
Usually the police can. But that would mean the people you called would have to call the police and ask them to trace the number.
I thinks so ??
no
Technically yes, but unless you threaten violence on who you prank the police are unlikely to want to go through the trouble of hunting you down.
File a police report.
Yes.
Depending on why they would need to get into it.
Contact your local police.
You need to see the police.
File a police report, they will trace for you.