BSNL Balance and Validity Check Number: Open your phone’s messaging app that you will use to send messages. Type “BAL” and send it to 121. Instantly you will get a message that will give you ...
When you use BSNL services, the company provides a number of USSD codes to let ... USSD code to check BSNL Main Talk time Balance & Validity: *124*1# USSD code to check Current BSNL Tariff Plan ...
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