Hello friends I would like to share my experience with the airtel mobile operator.actually am using his airtel from the past 7years.really it is fantastic.theere is full network coverage in traveling also.and sometimes 1 signal point is reduces but it is available in my village also.good customer service.they helped me a lot in everytime and charges are normal as per the plans.i used to take the 90 recharge it is for 10paisa for airtel to airtel.and others 30paisa.and also feeling very satisfaction for having this airtel.