TheIndian
Forerunner
The major companies like Sony, Samsung, LG give only 1 year warranty, so its better to save 20k on a 50-55k TV by getting it through grey market.
Toshiba , Panasonic 3 years - DEMAND your rights boycott companies who's warranties and service level in India do not mirror their international levels.
And I serious doubt you are going to be saving 20k on 50-55k