I have 2 airtel sim card but in my 1 sim is very bad because never come network in my one sim. when I call on customer care number when they are transfer my call to network care but anyone not pick my call and says call again in 10 min when I calling again they are keeping me hold and after they are saying we will get a callback within 10 min.but now I did not get any call back. so I request to anyone airtel is a worst network please don’t take this Airtel sim card.