Tata Sky — Not getting signal from 25 march

Address:

Nagpur, Maharashtra

My subscriber id [protected] .Since 25 march 2015 only 25% channels are coming.So I gave a missed call to tata sky complaint no. [protected] to register my complaint.My complaint was registered first.Fordays I tried to call customer care and i waited for nearly half and hour but could not get a chance to speak with them because they were busy with other customers. After 2 days i received a message stating that complaint will be resolved we are sending a technician to your home.But till date no one has come to my house to look into the problem later.HD channels are not coming at all.I am really pissed of Tatasky customer service.As per my understanding they are intentionally no pickup up my anybody call. i want my refund of money from the given date. Thanks kishor dhote