@Optimus_Prime
useful info regarding USSD ..
State Bank of India Miss Call Banking Services
Registration Process:
It involves a one time registration
SMS, ‘REG(space)account number' to 09223488888
e.g. REG 12345678901
from the mobile number available in bank's records for that particular account.
Balance - Missed Call 9223488888
Mini Statement - Miss call 9223866666
More Details-
SBI Quick – Missed Call Banking - SBI Corporate Website