Despite registering for NDNC through my current service provider – AirTel – for over a year, I am still receiving calls and promotional sms from telemarketers. Despite repeated complaints to AirTel, this issue is still not resolved.
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My NDNC reg. no. in airtel is W1008437962 registration is taken on 21.11.08 still I get SMS and promotional calls. I am not sure is this NDNC registration is really working.