Reliance is a good service provider but it doesnt have a good network coverage.Gives you a less network coverages in some areas.
Its good for data connection but when if had a 3g recharge it works on 2g speed.call doesn't have clear voice it has interruption in between.
Call rates are not good it charge more than normal rates sometimes. It doesn't catch network in places.
If you are using it for some other purpose than its good because it has a less rates.