How To Activate DND

To get resolution of this issues, you have an option to receive calls and SMS from a few selected industry. As classifyed by TRAI.

If you choose not to receive any commercial messages or calls i.e for fully blocked registration:

  • You can call 1909 (toll free) from your landline or mobile and select your Perferences
  • You can also register by SMS by sending START DND or START 0 to 1909. If you choose to receive SMS on select categories or for partially blocked registration, you can send SMS in this format START < space> < preference no > to 1909.
  • There are7 preference numbers to choose from:
    • START 0 - Fully blocked
    • START 1 - Banking, Insurance, Financial products and credit cards
    • START 2 - Real Estate
    • START 3 - Education
    • START 4 - Health
    • START 5 - Consumer goods and automobiles
    • START 6 - Communication, Broadcasting, Entertainment and IT
    • TART 7 - Tourism and Leisure

For instance, type START 4 to 1909, if you want to receive messages only on HEALTH.

You can also include more than one preference number like START 4,6 to receive messages for more than one preference.

Activation of DND service takes 7 working days.

To Activate your number for DND, simply dial 1909 from your mobile number or just send 'START DND' as an SMS to 1909.