Check BSNL 3G/4G Internet Data Balance using USSD Code
To check the BSNL 3G/4G data balance using USSD code, you need to dial *124#
In a few seconds, you will get an SMS from BSNL on your number giving the details about your data balance and validity. This is perhaps the easiest and straightforward method to know your BSNL data balance.
Check
BSNL has also provided an app to the users to know the data balance and usage details. To use this method to find out your BSNL data balance information, follow these steps.
Download the BSNL app. Register your account and sign in. Once you land on your dedicated page, you will find your subscription details, data usage details, and other VAS services that have been activated for your number.
Check BSNL 4G Net Balance and usage details with BSNL Self-care
Register and login to BSNL Self Care. On your account dashboard, you can get to know the details like data balance, validity of the package you have subscribed and other details you want.