Airtel service is soo poor compair to athor. And their custemer care agents are so irresoponcible. I am using airtel service last 7 month. But last september 21 it deactivated without any notification and re activated after 48 hrs. But i loose all my offers. I gave many complaint but no use at all. Msgs not delivering to kolkata relaince number from all kerala airtel sim. I am complaining this for last 2 month but till now i am dnt get any progress.