Unwanted marketing messages and calls made by the mobile network operators are extremely annoying. Luckily TRAI (The Telecom Regulatory Authority of India) has introduced the service NCPR (National Consumer Preference Register), formerly called DND (Do Not Disturb).
With NCPR, the chances of receiving these unwanted messages is almost zero.
How to Activate Do Not Disturb India Registration
This process of activating do not disturb service is all same for Aircel, Airtel, BSNL, Tata DoCoMo, Idea Cellular, Loop Mobile, MTNL, Reliance Communications, MTS India, Tata Indicom, Uninor, Vodafone and etc. Fully Blocked Category
Send SMS at START 0 to 1909 or Call at 1909
Partial Blocked Category
You can also De-Register the DND service to receive the marketing calls and messages in future. To do that, just send an SMS STOP and send it to 1909. You can also call 1909 to cancel the service.