I got a call from telecom department saying that all my contact number will shut down in 2 Hrs

as per them someone used my adhar and phone number to activate the new sim that is being used for suspicious activities.

If its true , how is this possible as I have not given my adhar details to anyone .

Update: Dont know if it was scam or not but They asked to press1 to talk to TRAI and I talked with them they asked me basic details and told about numbers linked with adhar out of those 3 number , one was being used by me , I told them this is only numbet I am using, so they asked that they will stop other two number and thats it.