source https://bsnlteleservices.com/bsnl-dnd-do-not-disturb-activation/
Activate BSNL DND (Do Not Disturb) to Avoid Marketing Messages
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March 23, 2021
March 23, 2021
The most required facility to avoid annoying marketing messages on a GSM mobile number is BSNL DND, find how to activate Do Not Disturb services through SMS and IVRS modes for total categories and...
source https://bsnlteleservices.com/bsnl-dnd-do-not-disturb-activation/
source https://bsnlteleservices.com/bsnl-dnd-do-not-disturb-activation/
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