Airtel mobile operator is runed by bharti airtel company which is providing the best customer service all over the india.airtel has one of the largest network coverage area in india and also having service centres in all the regions of the country.airtel is giving the best network quality to its customers and the internet speed is also very nice.I suggest to use this network to those people who are interested in making video call because it helps in making video calls without any interuptions from any region.Its customer service is also very good and takes the responsibility of the customers.It also provides best prepaid and pospaid plana at very cheap rates.