bringing a TV to China is like..... bringing rice to China .....
Indians do that because India does not manufacture and the import duties are high for imported goods . Returning Indian tourists have a duty-free quota too.... so it is logical for them to load up on stuff like this.
From your very action, it seems your relative is staying in a super ulu middle of nowhere place..... in that case buy the latest technology TV is useless if there is no access to HD , blueray and other high end support equiptment to bring the best out of a latest technology tv in the first place.
If you are getting a simple no-frills LCD TV....I suggest to buy a local brand LCD or EVEN a Japanese brand tv in a nearby chinese city . Got local Chinese warranty also works out better for your relative receiving this gift if anything goes wrong with the set
Or just pack a very nice juicy Ang Pow for them equivalent to value of the TV set ..... I am sure that will be the most appreciated
Seriously, dont be a laughing stock at Changi airport .... you will likely be the only one checking in a TV set when the Chinese tourists are checking in their IPads, SK-II's, pharmecuticals and other branded goods that are truly MUCH cheaper outside of china or just plain cannot get in china