Dear Aircel users are you want to block The unwanted Advertisement
calls from aircel and some telemarketting calls from us please sms
from your mobile "START DND" To 1909(Toll Free)
Then You may get a sms like this "Dear Subscriber , Your request for
Do Not Disturb service has been registered.Assuring you our best
services. (Reference No : DNDA071592) - Aircel. Thank You. " Thats
all