I dont think the "audience" which watches these saas bahu serials care about HD or whatever.They are more interested in content.So the drive for the content providers to shoot it in HD is itself not that much strong.Thus the dish people take the easy way out of upscaling the content.This upscale gimmick wont work on channels such as Discovery and Natgeo coz the audience is wary of such things and know the obvious difference and basically they want to see the programs with better details and upscale content makes this point moot.But nonetheless, male members of the family will however be delighted to watch those saas and bahu's in their lavish splendor on proper hd. :-D