Jio network coverage is not that much strong.it is mainly strong is the rich areas or in the ares where there is high-class public like malls, public places, city region etc.
coustomer service is good but more often we can judge it after 31st march, when it is no more free.
charges are very less as it is free till 31st march Many a times call is not get connected which is not good
they should look upon that.