I have just brought an Idea SIM card as I need to use internet many times to check my mails. I have subscribed for normal 2G plan. I started using it and I was satisfied with the service at first. But then I had to go out of the town for three days for office work. Out of my home city, I started using internet on Idea network and I got charged according to the roaming charges. When I had brought Idea SIM card, it was because there is no roaming charge on it, why this is happening, can someone tell me?
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