Hi friends iam using Aircel sim.Aircel network lot of offers providing.iam taken Sims in Jodi offer.Both Sims outgoing are free.i felt very happy.In metro cities the Sims are very useful.Last time iam going village for Pongal celebrstions.no network in village n also recharge cards r not avalible.now it’s iam facing new problem in metro city when iam call to another state mobile number it tells technical issue very time telling like that n in urgency also iam facing technical problem .