LCD TV Vs LED TV Life Span?

I like to buy 32" TV

My preference is

1.To play Games through PC & PS3 also PS4 in future..
2.To play all formats like (.avi,.mp4,m4v,mkv,iso) through USB & Ex.harddisk in FullHd also 3D Movie
3.All Connectivity and Terminals including WiFi and Lan
4.Budget below Rs.50000, suggest 2 to 3 models