Check if your Tv is cropping the picture in anyway or not. My Tv was cropping the picture when I first installed TS HD using HDMI.
Well Tata Sky stb does not crop picture, u need to set TV picture settings to "screen fit" option for avoiding this. In d2h u do not need to change tv settings as stb itself shows picture in screen fit mode when one selects wide screen option. Hop that clears ur doubt.