Suggest a 40 - 42 inch led tv

[goodyet]

My budget is Rs. 45k. I want following features:

Full HD
smart TV
3 HDMI ports
USB
Wifi and ethernet
DLNA
Optical audio out
Good file format support for playback
3D (not a must)
strong build quality

I'm looking for a pretty recent model. I'll be buying at a local showroom.