Aircel operater offers are good but the signal of this network covered only some areas like cities, some towns. This is one and only and main draw back of this network. If they improve their signals the network will be grow up.
According to my experience the best networks in india
1.jio
2.BSNL
3.VODAFONE
4.IDEA
5.AIRTEL
6.AIRCEL
7.TATA docomo
7.others