Airtel — No signal and broadband down

Airtel mobile no signal for last one year made several complaints no use even yesterday also I made complaint no use and no response from them and my broadband connection every Thursday day go out of order again start working on Tuesday day and Thursday this will go out of order made a complaints wrote a several mails finally sent mail to Mr Vittal CEO of airtel but no response from them
I am using airtel for last 24 years but now facing lots of problem no one is bothered to solve the issues I got fed up with airtel
Every week writing mail to them
Regards Rajam [protected]