With my experience, I strongly said that IDEA is the worst and fraud cellular network present in India. I think the company considered as all its customers are fools and others too. They always come with some stupid and nonsense advertisements.
IDEA provides slowest internet connectivity compared to others in India. Their network is always down. But they do not compromise with mobile internet charges. If you search for the internet rates of IDEA provider before October 2016, you can see they charge more money than other providers and give less usage.
IDEA has very bad Customer service. The customer care executives give fraud and incorrect information in many times. Their communication with customers shows "if you want to continue in IDEA then continue, otherwise get out from here".
They always deduct cash from customers main balance by telling any nonsense. This is the main problem the IDEA customers facing.
If you search in internet, you can see IDEA has many more bad reviews and complaints.
so think is It A Good IDEA? I Think Its not a GOOD IDEA, Very Bad IDEA.