Confidential — non-stop knwon incoming calls

Today on 10th Oct. from approx. 12.00 p.m., I started receiving various unknown incoming calls saying that you are giving me missed calls, this frequency is 1 call is in 1/2 second.

I am totally disturb with this happening.

And custmer care representative dont sugget best possible option to stop this non-sence, and suggesting to give police complaint. It is the responsibility of Idea before police to give assistance to their customers.