This is very best netwark but some times we are not use that becouse some times it has been network error and some time it can not support the 3g network so the issues of this sim is very bad and it is not give the best offer for any think it is goid but some times we are not unable explore internet becouse some times it show error on my pc so I am request the airtel make your services better and care of customer and improve your facility other wise your sim is good