Airtel is good service provider in nation level even international also. airtel network everywhere available in India. airtel is leading company in telecom sector. airtel have big network to connect user very easily. airtel network found everywhere very easily. airtel gprs service also good. airtel is very useful for mobile networking. airtel customer service 24*7 user friendly. customer service center easily describe any problem, which is create in airtel mobile network. airtel calling and internet charges is very high compare to other company. mobile internet pack also very high price compare to other company. tarrife also high price. but airtel mobile network easily catch in everywhere urban or rural.after all we can say airtel best service provider in India. airtel is little expensive, service provide very easily without any problem