T24 operator sim card which I got from Big Bazaar when I had done my shopping it was totally free when I got the sim I was very happy because I got it for free and I also got some free talktime balance till now I am using it but it is very bad I face too much problem with T24 when my balance was low I went to retail shop for recharge but when I told then about T24 they said that we have no operator name as T24 we do not recharge T24 and till now I am facing problems I am not happy with T24 Mobile Operator.