Airtel network coverage in all over the India is very good and its signal are full.it gives full speed of 3g or 4g anywhere.it is lottle expanive but gives service to the people.there is not any network connection problem if there is any problem then people can eaisly contact to customer care and customer care eaisly solve its problem.airtel is the most expensive network of india.it charges 250 for 1gb 3g.it is costly but airtel gives the signal and speed of internet to the people.