Idea communication
Harshad mobile number using absuvie language

I have received a call from a mobile number 8449615646 which is a harshad number fro idea company a person called and using abbusive language and when i call back to him the computer replies that the number does not exist. what is this when a call come from a number then why that number not exist. i want the person name and the address of that person.

Kindly help me