I am a Customer of Airtel Pre-paid Service. My Airtel Mobile Phone No is 9007147193 (IMEI No. 357585007123895). I have registered for DO NOT DISTURB on your website www.airtel.in http: www.airtel.in and my DND Registration Number is S1015105288 dated Dec 10 2009. Eversince I have opted for tariff plan of 0.50 paise per minute very recently I am receiving unwanted SMS regularly everyday. SMS Sender s ID: 5432101. I am also un-necessarily charged Rs 1 - per call or sms which I came to know through service reply whereas immediately before... read full review »