I am like airtel .airtel good service providers.i am use airtel 12 years ago.Its good network quality.recently airtel launch 3g platinum service in kanpur.i am use 3 g platinum service is very past speed .
And 2g service is batter other than operater.and low price provides good service .and call rate very low .use ratcuter 18rs all local and std cal 30p per minute.other operators not provided this low price .any where available networks in Indian.