idea ussd codes list
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*123# Check main balance and validity of Airtel*123*10# Check2G data balance...
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*451# or *161*1# Check SMS balance *457# Check 2G GPRS balance *457# ...
*123# Check main balance and validity of Airtel*123*10# Check2G data balance...
*451# or *161*1# Check SMS balance *457# Check 2G GPRS balance *457# ...