Tata Docomo — Adsl and internet off after few mins. and auto starts for few seconds

Address:	Sangli, Maharashtra, 416416
Website:	google crome

I m having docomo connection my account no. Is[protected] my provided tata docomo no.[protected]. From 15 days i am getting problem of adsl and internet drops automatically for few mins. And again in few mins it get on... I complete here at local office but each time and every time reply was "some one will come to you and he will check" but no one is coming to me to solve the problem.