http://dot.gov.in/404-page-not-found

dear sir my tata docomo mobile no. 8866317573
i have activated DND service but even after repeated reminder & complaint on tata docomo customer care & to other higher authorities they are not stopping promotional & other messages

1000 messages per day is coming & even during whole night messages are coming

i am doctor i cant switch off/silent mobile at night but due to repeated message every 5 min i am not getting sleep since 20 days

please help