Trai — dth problem

Address:

Chennai, Tamil Nadu, 600112

We are using videocon d2h services. Last 3 days the channels are not coming so i called so many times but no one response. I mailed and tweet to their id. But nothing happen i get frustrated. I tried called nodal office landline no also but no one pick my call. I called at 11 o clock and early morning 5 o clock more than 10 times in every time but they put in waiting after 7 min it automatically disconnected. Please resolve the problem.