I am a customer of idea from last 6 years and till now with my experience it is the best sim in india, I am also using airtel, jio but they are not giving such network in all areas, but when I use idea it gives full network in any place. when talk about the internet I am using 2 g in idea but the speed is like 3g and better than jio 4g, Idea also gives many types of best offers every months like full talktime, unlimited internet etc. their charges are also very low than other sim providers.