Here is a list of almost all BSNL prepaid balance enquiry viaUSSD(Unstructured Supplementary Services Data)
Prepaid Enquiry Services
Dial *102# —>To know Last Call/SMS/GPRS Details
Dial *123# —>To know Your Mobile Number,Plan,Main Account Balance.Expiry Date etc
Dial *124# —>To know your Friends & Family Numbers
Dial *124*1# —>To know Limited & Unlimited Voice(STV401/STV501) details
Dial *124*2#—>To know Unlimited Local STV300 expiry date
Dial *124*3# —>To know SMS STV’s balance
Dial *124*4#—>To know GPRS STVs balance
Dial *124*6#—> ISD STVs balance
BSNL Data Balance Enq
2G Customers : Send SMS DATA2G to 53733
3G Customers : Send SMS DATA3G to 53733
IPAD/Data Customer 2G : Send SMS DATA2G< Mobile Number > to 53733
IPAD/Data Customer 3G : Send SMS DATA3G< Mobile Number > to 53733 or 9400012345
Postpaid Customers : Send SMS AMT to 53333
3G Customers : Send SMS DATA3G to 53733
IPAD/Data Customer 2G : Send SMS DATA2G< Mobile Number > to 53733
IPAD/Data Customer 3G : Send SMS DATA3G< Mobile Number > to 53733 or 9400012345
Postpaid Customers : Send SMS AMT to 53333