Sony India — sony tv 32v550a complaint

Address:

Thrissur, Kerala, 680503

My tv sony 32v550a not working in hdmi
With sun hd stb and videocon dth he
Previously when there were 5;or 6 channels in sunhd dth there were brilliant display through hdmi when he channels increased they told to use higher version of stb. But no video through hdmi
Then i tried videocon dth hd.in hdmi it shows starting pl wait but no display afterwards.
When i stream video through mobile there is display through hdmi
This full hd tv l bought spending a lot of money
Pl help to see display through hdmi