I live in patna(bihar), I use aircel Sim for Internet it's network is not so good, and when I used to go some were else from patna no in most of the area network is not available.
It's network coverage in Bihar is very bad beside it its offer I like the most it's net pack is available for only 125for 1gb 3g, moreover it's talktime plan is also attractive, the only thing I don't like is its network coverage.