I was an airtel customer from 2009 with my mobile number 9566332134. And I changed to Tata Docomo from january 2011. Since am a docomo customer. But yesterday(06/02/2012) i got a message from “11111” . that says ” Welcome to Airtel . Mobile No. 9566332134 has been activated. To start services Dial 123. As per Govt.of India directive you will be contacted for verfication”