Im using 4G LTE since from several months because im living in a small village and I dont have others network facilities like voda etc.So I dont have any other option to buy except airtel, and it has broad network coverage and especially 3G/4G services in almost all rural(remote areas). They have very expensive data rates but it is negligible because of their network coverage. Disadvantage is that poor customer support for fix up our issues. If they reduces their tariff I will be happy. Overall good for browsing and downloading data and too hot for 3G/4G services in rural areas.