TRAI guided all the operators to provide users with the Do Not Disturb service so the users will decide whether to receive these calls or not. This service can be enabled on any operator and any number without paying anything to the operator. You can choose to enable this by sending an SMS or you can enable it via a call. Both the methods are provided below so you can use the preferred method.
Enable DND Via SMS
Enable DND Via Voice Call
Wrapping up
This is how you can enable DND on your phone and get rid of all those unnecessary spam calls. For more useful tips and tricks like this, you can follow us on social media pages. Also, read How to Permanently Block Spam Email Messages