Airtel DTH - Airtel Repeated calling from airtel dth customer care to recharge

Hello, I have become upset with Airtel DTH customer care. These people call continuously for * months and ask the same thing, why have you not recharged DTH yet? I am tired of giving the same answer again and again. That I have a DTH account of my company that was Hotel and now hotel was closed by company, I gave my number in it because I had to recharge it, now the company has closed, so you do not know about me, how many times he has spoken this thing but he did not pick up on hearing it. Calling and asking the same thing, why did you not recharge your DTH, I am tired of answering this people are harassing me for * months, they called me continuously from different numbers like **********, **********, **********, **********, I have also recordedtheir calls many times their talk So, now I want to case on Airtel have to give me hassasement charge .