Now a days wherever we go we can listen about network is only jio .jio.jio.because it creates a new static change to our generation. Iam one of the user of jio which I got for free of cost . And iam using for 1 month .it has good internet speed at free of cost. All callings, internet and services are free . We can get free upto december 2016. This period may extend to 31-12-2017. 3g mobiles pieces also can use jio networks through certain procedures.