How to Block Unwanted Calls and SMS in Your Mobile

Tired of getting unwanted Calls and SMS in mobile???  Some of them may be form your service  provider itself informing you about the new offers, some of them may be ads from different companies and websites. Its really annoying to get unwanted Calls and SMS every five minutes. Any way to Stop / Block them? Because some times we will miss the important messages from our friends from this junk.
            You can block or stop these types of messages by registering your number to NDNC.

What is NDNC?

NDNC (National Do Not Call) is a database having the list of all telephone numbers of the subscribers who do not want to receive "Unsolicited Commercial Communication" messages.

These types of Calls or SMS are divided into 7 categories
0) ALL
1) Banking / Insurance / Financial products / credit cards
2) Real Estate
3) Education
4) Health
5) Consumer goods and automobiles
6) Communication / Broadcasting / Entertainment / IT
7) Tourism or Leisure

How to Block unwanted SMS by registering your number to NDNC?

To block messages we have to send a sms to 1909 (Toll Free Number) asking for DND (Do Not Disturb)

Here is the procedure...

Note: It takes 7 days to see the result.

1) If you want to block all types of Calls and SMS in the above category send a SMS "START 0" to 1909

2) If you want to block Calls and SMS from any one of the above category send a SMS "START <option no.>" to 1909

Eg: To block 'Real Estate' send SMS "START 2" to 1909

3) If you want to block Calls and SMS from multiple options of the above category send a SMS "START <option no.1>,<option no.2>,<option no.3>" to 1909

Eg: To block 'Education' and 'Health' send SMS "START 3,4" to 1909

For de-registration send a SMS "STOP" to 1909
Note: It takes 7 days to see the result.