Unwanted calls and sms on Airtel Mobile

There is a very simple way to stop unwanted calls and SMS on your Airtel Mobile. You need to send a SMS for that and it is absolutely free. There are two ways to do that-

1) To fully block unwanted calls and SMS- SMS START 0 to 1909

1) To partially block unwanted calls and SMS- SMS START <category_number> to 1909

Categories are-

1    Banking – Insurance – Financial Products – Credit Cards   
2    Real Estate   
3    Education   
4    Health   
5    Consumer Goods & Automobiles   
6    Communication – Broadcasting – Entertainment – IT   
7    Tourism

You can also check your Do Not Disturb status on http://checkdndstatus.in/ by just entering your Mobile Number.