I Am Using Airtel Sim Around 5 Years I Love Airtel Service. Airtel Sim 2G And 3G Service Is Awesome. The ’MyAirtel Family’ service is Free This Is Best Think In Airtel Sim. And The Call Charges Also Low. And Free Sms Charges Airtel To Airtel. And Airtel Net Connection His Also Faster And Airtel Costmer Hear Our Problems And They To Short Out Our Problems. Thank You Everyone For Reading My Review.