Airtel is all india high speed Internet network no other networks compare with Airtel.it network coverage in town aera when u go to village area than fail network.
Airtel customer services full support from her service centre.airtel customer care took with every language and help any problems.good sim Airtel.
bill not high cost comfort for people.airtel two types of we get 1)pospaid and 2)pripaid but I like generally pripaid sim.