Here is yet another article related to BSNL USSD codes. In this article, we have provided a chart that contains a list of useful USSD codes. Using these USSD codes, BSNL users from Tamil Nadu may perform number of tasks. Tamil Nadu BSNL users may check their 3G Internet data pack balance and validity, activate and check nigh plan stats, activate new 3G Internet pack via SMS, activate new 3G data pack via BSNL’s portal etc.
Please note that all the USSD coded mentioned in the chart are latest ones! They have been tested and each code works fine! Tamil Nadu circle BSNL users may save these USSD codes into their contact and make use of them!