Open the Airtel Thanks app
Go to the Services or Help section
Select DND or Do Not Disturb
Choose the categories of calls and SMS you want to block
Submit your DND request
Wait for confirmation from Airtel
You can also activate DND by sending an SMS with “START 0” to 1909
To block specific categories, send the relevant code to 1909
To fully activate DND, register on the National Do Not Disturb list through Airtel or 1909