Airtel sim has a most of users in india and other cuntries
I think most of people liked this network.very fast network.
But no care about custmers opinion, custmers feelings. Most of custmer care centers are established in overall india.every long and small village has network towers and every hills, rivers, tribels, forests, highest palaces are arrenged with this network.
Every offer of this network is very high rates, custmer not satisfy with this type of rates compare with other networks.