Activate Fully blocked DND Service in BSNL through SMS / Text Message
BSNL customers can opt to choose Fully Block, if they need to block the complete telemarketing communication. You can the send the message in the below format:
"START 0" and send it to 1909
Step 1:Once the message is sent, BSNL service provider will send you a message requesting your confirmation regarding the DND registration.
Step 2:You need to confirm your registration through an SMS.
Step 3:You will then receive a unique registration number after the conformation of registration.