Vodafone is one of the best company . They are giving the best services .In my family, me and my father is using vodafone and we are very satisfied by this company. customer services of this comapany is also good. But they charge high for internet services and calling if you compare with some other companies. I went to Kashmir last year, there was not any signal problem .
According to me you should use this sim, you will not have any complain.