Open the Airtel Thanks app and check your data balance on the home screen
Dial 121 from your Airtel number and follow the IVR prompts
Send an SMS with BAL to 121
Log in to the Airtel website or self-care portal and view your plan details
Check the data balance in your phone’s mobile network settings if your device supports it
Look at the usage details in your monthly Airtel postpaid bill
Use Airtel customer care chat in the Airtel Thanks app to ask for your remaining data balance