The one operator which used by efficient network in gujarat is the vodafone.i used vodafone operator since 5 years it has no doubt this is the no 1 network in gujarat with accurate network coverage but iam disappointed with its internet since 1 year.beacause after revolution of 4g the vodafone provode poor 2g and 3g service in gujarat ther no sprrd of internet achive on its network.please improve your service as soon as possible.