LG lcd tv
Lost paper and got problem in tv it is in warranty period, they are asking bill.what i have to do now

Hi

this is mahesh here.i bought my LCD from big bazar bangalore, banasankari.sir i lost my bill as well as warranty paper.details of my LCD is

S.No:808lLPSY008142

MODEL NO:32LG30RA

ATR

PRODUCT:80CM LCSD TV

DATE OF MFG:27 AUG

DATE OF PURCHASE:26/10/08

i got problem in my tv, i have given the complain also, they are asking the bill, without bill they are not repairing my TV.

regards

mahesh