Airtel sim ka balance check karne ka code July 8, 2019 16 32 64 128 Airtel sim ka balance check karne ka code kya hai Airtel sim mein balance check karne ka code Airtel sim ka balance check karne ke liye code Airtel ki sim mein balance check karne ka code Airtel number Airtel sim ka number kaise nikale Airtel balance check How to check sim balance