Hi im from delhi im using airtel from many years like from 8 years because this is the best network and its internet speed better than other networks and where ever I go I dont get network issue with airtel netwiork I prefer to everyone to use airtel.
It is better than other networks airtel is expensive but they are giving good services and airtel 4g is also very good it comes with 100mbps speed worlds fastest mobile network is airtel.