Aircel sim service is wrost service ever. Many places in netwark is gone.and bas serivice. Network is main problem. Say out of service many times.this is wrpst network ever. Oh god charges. If you charge call rate high then please give same network service.otherwise reduce call rate. Highest call rate of this network company. Wrost company ever. And customer service is the main part of this company. Many times thay not hear your problem and cut the call. Worst network ever.