Tata Sky — no signal frequently

Address:

Mumbai City, Maharashtra

I have been receiving this issue from past one month.i have 4 tata sky connections in my house out of which three are not receiving signal.only the main set top box recieves signal.my user id is [protected]. I have been contacting MR Ranjeet kumar who is the area incharge for tata sky and he has been ignoring the matter. Kindly look into the same!