Panasonic — Panasonic Viera not working

Address: 141008

Website: (18001081333) panasonic customer care no

I have purchased the Panasonic viera Plasma TV model No TH-P42XT50D on 10/10/2012 from best Price ( Bharti Wol -Mart Ludhiana )
I have already complaint to customer care ([protected])and they registered the complaint
and complaint no is R[protected] .
The Technician is come within 24 hour and he say the card is damage it to be change and charge is 12000 and says please provide me half money today and half money to be pay after change the card .I have provided the same money Rs 6000
Next day another Technician is come and say panel is crack inside the glass and he also says panel is not available your TV is not start yet and company has cancelled my service complaint and I have received the massage to my phone Cancelled due to reason customer not available/reachable for further assistance
So please suggest me what can I do
I was purchased the Plasma TV Rs 51990
and company technician says it is not start yet