Airtel — regarding mobile bill

sir,
i am using my airtel mobile service since year 1994 when it reaches in h.p. i was the 3rd customer in shimla region. as i am facing problems of over charging of the company since the first day. sir, now as a matter of fact i am to submit that i am receiving wrong bills since last few months and again and again i am complaining the authorities for the same.sir, sometimes they send their representatives for resolving the complaint and the said persons gave us the written settlements but even after settling the matter and taking the full amount in shape of cheque they send wrong bills, not only this they even disconnected my numbers many times which cause me a big inconvenience. sir, these people are not a people of faith so please take a strong action against them at earliest. sir you are also requested to give me a some other relief such as compensation for the inconvenience caused due to company . sir bills and receipts given to me are also attached herewith for your strong action please.