How to activate DND Service / Block Unwanted Calls and SMS in BSNL?
BSNL, abbreviated as Bharat Sanchar Nigam Limited serves its consumers with best plans and offers. In order to block the telemarketing calls and messages to the customers, BSNL (Bharat Sanchar Nigam Limited)offers activation and deactivation of DND Registry.
DND Registration of your BSNL number can be done in two ways
→SMS
→Call