Originally Posted by
mrrego
I'll be in India for 3 wks and want a SIM card to let me call around India and let Indians call me for a reasonable price. My GSM phone is unlocked. Anybody have an idea on what to do/buy/rent?
1. Determine what kind of bands your GSM phone will cover.
2. Take a photo copy of your passport and visa with you, go to a store and pick up whatever pre-paid GSM company will best cover where you will be travelling in India.
Airtel and then Hutch are pretty good nationally; Idea, not so much so for my purposes nowadays.
Here's some potential picks and which bands they use in various regions of India:
http://www.gsmworld.com/roaming/gsminfo/cou_in.shtml