Bharti Airtel has the best mobile network in INDIA on road – TRAI test . If you make a lot of phone calls while on the road, then Bharti Airtel is the best mobile operator for you in INDIA. but call charges are more compare to other networks.Airtel launched its 4G services across 296 cities in India, making it the first challenge(AIRTEL CHALLENGE "If your network is faster, we will pay your mobile bills for life.")