I have used almost all companies sim cards amoung all I like to use idea sim card but now a days jio offering all schemes at low prices .
Network - network is available at any where according to idea gives strong network than any other companies . The speed of internet is depend on network also clearity of call depend on network which are good for idea as it provides high speed of internet now days it provides 4 g data everywhere
Customer service - customer service is very good , if you call to customer service executive tjey easily took the call and solve the issues
Charges and billing - charges of internet and calling are much more higher than jio .
But comparing to other than jio charges are somewhat lowerer