Are you looking for an mobile operator who is with you always and everywhere.You have many in the market but the one you can trust upon for a wider mobile network is Airtel operator.
It is of the kind that will be with you.I have personally have a good experience with Airtel.For years I have been using Airtel it has been very loyal to its customer.There mat be many but unmatchable with Airtel operator service.Billing is good without error