Question

what is the use of jio after March 31 st...... ..?

Answer 1

Hey friend
 before 31th u should upgrade it to jio prime in 100 rupees .
then every month u have to spend 303 rupees u will get unlimited free data and calls and messages .
______________________________________________________________

Answer 2

First u have become prime membership @99/- and then make a recharge of 303/- per month that will provide you 1 GB per day and national call for free .

and if you don't want to become member u can recharge it with 149/-