LG Electronics — plasma tv not working

Address:

Agra, Uttar Pradesh, 282005

I purchased lg plasma t. V few years back and within a year it stopped working. Thereafter, i made a complaint regarding this, your technician said sorry we couldnot repair this because part is not available with us.. Now for me its just a showpiece hanging on my wall. Kindly take necessary step regarding this. I have purchased from authorized dealer in agra (Anil electronics) in 2012