I am using airtel. This network coverage in all area in my location place. Local, international calls using very good. I am Prepaid mobile network connect in airtel september 2007, after that one by one my family members are used to prepaid life time card.
New airtel talk apps instrudce in on line free calling is really very nice. customer care calling, talking very good.Cheap rate in 2G, 3G mobile data network.