Question: how to check data balance in bsnl prepaid tamilnadu?
Answer: NEW CODE – Dial *124# Enter 3 for STV submenu. Enter 1 for STV enquiry. Enter 1 for more details (data validity) Enter 1 for more details (data balance) Dial *124*1# SMS 'DATA3G' to 53733. SMS 'DATA2G' to 53733.