We’re talking here about reliance jio which is the first mobile operator who invested a huge amount of money and to give the sim card in free of everything data, phone calls, sms etc etc. There is no doubt that it is fast bexause it is 4g. You can get jio in all over india. And it created a huge impact on other mobile operators like airtel, vodafone etc. Giving like unlimited data in such a cheap rate that no one has ever wondered about it. They also provide cellphones, wifis. And i’d it is pretty good in budget an speed total satisfaction