I am from Singapore and will be going to India for about three weeks. Last time I had used Vodafone phone services and had no issues at all, so again this time I would like to get a Vodafone sim card. As I will be returning back to India after one and half months time, I wanted to know what the Vodafone India sim card validity is? I would like to use the same services and card again when I return to India after some time.