"Indian DND Register" is the only Android application to check whether your number is listed in "DO NOT DISTURB" (DND) registry as per Telecom Regulatory Authority of India (TRAI) regulations.
You can see the DND register/reference number, categories and preferences in which the mobile number is registered.
The official name for the registry is 'Telecom Commercial Communications Customer Preference Portal'.
Many of your friends may be registered in TRAI’s "DO NOT DISTURB" (DND) service to get rid of promotional call and SMS. But, in the same time, they will not able to receive your SMS sent from Free SMS sites.
Where will you go to check whether your friend can receive your free sms or not?
Here you are. You will get the DND details of any Indian mobile number.
# This app displays your mobile number
# You can check your mobile number’s DND registry status
# You can check your friend’s or other mobile number’s DND registry status
# You can enter select mobile numbers from your contacts list by just typing your friend’s Name or Number
# This app displays the DND Activation Date and activation history dates.