I am receiving anonymous telephone call from unknown person (he is having airtel mobile sim). I received anonymous call 3-4 times during my office hours which is disturbing me very much. I scolded him not phone me. I several times tried to contact him over phone to get details of him but answer is coming "the customer you are trying to call is currently switched off". But he is disturbing me many times. My warning not to phone, he is not caring! I want to give police complaint but not. However I want to identify him and get detail... read full review »