3 months back data charges for 3g are very high and slow in network, if we want 5GB 3G data we have to pay minimum of 500rs that to for max duration of 30 days and for 1GB validity of month is 200rs this was very high and not reasonable but now all other networks are providing 3G data without validity and cut charges by 50 percent, this is revolution which was done by jio it is providing 3 months of 4G data at free of cost and usage is unlimited, this gave competition to no 1 telecom airtel, jio is providing high quality of internet with high speed, every telecom operator reduced charges to compete with jio, voice calls are not good for jio but day by day it was improving we are thankful to jio, but it only work in 4g mobiles this is negative for this network , jio a new revolution in telecom