How to Deactivate DND (Do Not Disturb) Service for your BSNL Number?
You can deregister from the BSNL (Bharat Sanchar Nigam Limited) DND Service, if you wish to receive telemarketing / unsolicited calls and messages.
You are provided with two options to deactive your number from the Do not Disturb Registry :
→Either by SMS
→Either by Voice Call