Block SPAM Calls & SMS! How To Activate DND (Do Not Disturb) Registration in India?

What is DND? Indian Telecom is a gigantic industry with over a billion of subscribers. We stand second after China when it comes to the number of subscribers. Of course, the mobile and telephones have revolutionized how we interconnect with our near and dear ones with such an ease, via the medium of calling or messaging. But at the same…

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