Am using the aircel since four months, the signal is not available at all places, when I was in hyderbad I started using this becuase of quite good offers their the network was good, afterwards I moved to my native place adilabad district their the network is very bad, no signal at all.
Internet is very slow but the net offers are quite good, call rates, and sms charges are low compare to other networks, another nice option in aircel is whenever you don’t have any balance, if u make call the message will be sended to the person to whom called like"I have tried calling you plz cal back when you are free" this was very useful while emergency, but signal is weak.using this SIM in metropolitan cities is good, rather than using in rural areas