Hi friends I have been using airtel for more than 4-5 years and it is the best network I can say for sure and the internet speed is quite good and to say about the data plans were quite high and the local minutes and secons plans tariff plans and high and good coverage throught india and call quality is quite soo good and very low call drops and the 4g is quite a good thing I havent experienced it and hope it get in my city as well