Idea is a Indian mobile operator company. the owner of it is Birla Group.
Idea gives us the best quality mobile services in India. the internet speed of idea is very good. idea gives the very good offer for everyone.
I am saying this in my personal experience. I am using idea at 2015.
the customer services of idea is good. the internet speed of idea is very good. now idea have 10 crore user all over India.
so, I recommend you that you can use idea sim.
now idea gives best talk time and data offer in low price.